number.wiki
Number

50

50 is a composite number, even, a calendar year.

Deficient Number Harshad / Niven Year

Properties

Parity
Even
Digit count
2
Digit sum
5
Digital root
5
Palindrome
No
Divisor count
6
σ(n) — sum of divisors
93

Primality

Prime factorization: 2 × 5 2

Divisors & multiples

All divisors (6)
1 · 2 · 5 · 10 · 25 · 50
Aliquot sum (sum of proper divisors): 43
Factor pairs (a × b = 50)
1 × 50
2 × 25
5 × 10
First multiples
50 · 100 · 150 · 200 · 250 · 300 · 350 · 400 · 450 · 500

Representations

In words
fifty
Ordinal
50th
Roman numeral
L
Binary
110010
Octal
62
Hexadecimal
32

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 50, here are decompositions:

  • 3 + 47 = 50
  • 7 + 43 = 50
  • 13 + 37 = 50
  • 19 + 31 = 50
ASCII character

As an ASCII codepoint, 50 is 2. Printable ASCII character 2.

Hex color
#000032
RGB(0, 0, 50)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.0.50.