Number 55

Interestingness: 13 · Rank #56 of 1000

Visual representations

Binary image (n×n bits)
Element Cs – Caesium
Triangular · P3(10) = 55
Heptagonal · P7(5) = 55
511
Prime factorization

Representations of 55

Greek numeral
νεʹ
Sanskrit numeral
५५
Arabic numeral
٥٥
Roman numeral
LV
Maya numeral
●●
▃▃▃▃▃
▃▃▃▃▃
▃▃▃▃▃
Chinese numeral
五十五
Hebrew numeral
נה
Egyptian numeral
𓎆𓎆𓎆𓎆𓎆
𓏹𓏹𓏹𓏹𓏹
Morse code
..........

55 in different numeral systems

Binary
110111
Base-3
2001
Base-4
313
Base-5
210
Base-6
131
Base-7
106
Base-8
67
Duodecimal
47
Hex
37
Vigesimal
2f
Base-24
27
Base-36
1j
Negabinary
1001011

Factorization

Prime factors: 5, 11
Divisors: 1, 5, 11, 55
Sum of divisors other than 55: 17
Product of prime factors: 55 = 5 × 11

Number-theory characteristics (8)

Triangular Heptagonal Difference of 2 squares Odious number Odd Fibonacci Composite Deficient

Base-10 digit properties (3)

These depend on the decimal representation of the number.

Palindromic Kaprekar Repdigit

Related primes

Number 55 prime
Prime number before 55
Prime number after 55