← 49999 50000 50001 →
List of numbers Integers ← 0 10k 20k 30k 40k 50k 60k 70k 80k 90k →
Cardinal	fifty thousand
Ordinal	50000th (fifty thousandth)
Factorization	24 × 55
Greek numeral	${\displaystyle {\stackrel {\epsilon }{\mathrm {M} ))}$
Roman numeral	L
Unicode symbol(s)	ↇ
Binary	11000011010100002
Ternary	21121202123
Senary	10232526
Octal	1415208
Duodecimal	24B2812
Hexadecimal	C35016

50,000 (fifty thousand) is the natural number that comes after 49,999 and before 50,001.

Selected numbers in the range 50001–59999

50001 to 50999

• 50069 = 1¹ + 2² + 3³ + 4⁴ + 5⁵ + 6^6[1]

• 50400 = highly composite number^[2]
• 50625 = 15⁴, smallest fourth power that can be expressed as the sum of only five distinct fourth powers, palindromic in base 14 (14641₁₄)
• 50653 = 37³, palindromic in base 6 (1030301₆)

51000 to 51999

• 51076 = 226², palindromic in base 15 (10201₁₅)
• 51641 = Markov number^[3]
• 51984 = 228² = 37³ + 11³. the smallest square to the sum of only five distinct fourth powers.

52000 to 52999

• 52488 = 3-smooth number
• 52633 = Carmichael number^[4]

53000 to 53999

• 53016 = pentagonal pyramidal number
• 53174 = number of partitions of 42^[5]
• 53361 = 231² sum of the cubes of the first 21 positive integers

54000 to 54999

• 54205 = Zeisel number^[6]
• 54688 = 2-automorphic number^[7]
• 54748 = narcissistic number^[8]
• 54872 = 38³, palindromic in base 9 (83238₉)
• 54901 = chiliagonal number^[9]

55000 to 55999

• 55296 = 3-smooth number
• 55440 = superior highly composite number;^[10] colossally abundant number^[11]
• 55459 = one of five remaining Seventeen or Bust numbers in the Sierpinski problem
• 55555 = repdigit
• 55860 = harmonic divisor number^[12]
• 55987 = repunit prime in base 6

56000 to 56999

• 56011 = Wedderburn-Etherington number^[13]
• 56092 = the number of groups of order 256, see [1]
• 56169 = 237², palindromic in octal (15551₈)
• 56448 = pentagonal pyramidal number

57000 to 57999

• 57121 = 239², palindromic in base 14 (16B61₁₄)

58000 to 58999

• 58081 = 241², palindromic in base 15 (12321₁₅)
• 58367 = smallest integer that cannot be expressed as a sum of fewer than 1079 tenth powers
• 58786 = Catalan number^[14]
• 58921 = Friedman prime

59000 to 59999

• 59049 = 243² = 9⁵ = 3¹⁰
• 59051 = Friedman prime
• 59053 = Friedman prime
• 59081 = Zeisel number^[6]
• 59263 = Friedman prime
• 59273 = Friedman prime
• 59319 = 39³
• 59536 = 244², palindromic in base 11 (40804₁₁)

Primes

There are 924 prime numbers between 50000 and 60000.