Number
54
54 is a composite number, even, a calendar year.
Properties
- Parity
- Even
- Digit count
- 2
- Digit sum
- 9
- Digital root
- 9
- Palindrome
- No
- Divisor count
- 8
- σ(n) — sum of divisors
- 120
Primality
Prime factorization: 2 × 3 3
Divisors & multiples
Aliquot sum (sum of proper divisors):
66
Representations
- In words
- fifty-four
- Ordinal
- 54th
- Roman numeral
- LIV
- Binary
- 110110
- Octal
- 66
- Hexadecimal
- 36
Also seen as
Goldbach decomposition
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 54, here are decompositions:
- 7 + 47 = 54
- 11 + 43 = 54
- 13 + 41 = 54
- 17 + 37 = 54
- 23 + 31 = 54
ASCII character
As an ASCII codepoint, 54 is 6. Printable ASCII character 6.
Hex color
#000036
RGB(0, 0, 54)
IPv4 address
As an unsigned 32-bit integer, this is the IPv4 address 0.0.0.54.