55045959555 has 32 divisors (see below), whose sum is σ = 89379832320. Its totient is φ = 28923023360.

The previous prime is 55045959373. The next prime is 55045959559. The reversal of 55045959555 is 55595954055.

It is not a de Polignac number, because 55045959555 - 2²⁰ = 55044910979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55045959495 and 55045959504.

It is not an unprimeable number, because it can be changed into a prime (55045959559) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1482244 + ... + 1518926.

It is an arithmetic number, because the mean of its divisors is an integer number (2793119760).

Almost surely, 2^55045959555 is an apocalyptic number.

55045959555 is a deficient number, since it is larger than the sum of its proper divisors (34333872765).

55045959555 is a wasteful number, since it uses less digits than its factorization.

55045959555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38171.

The product of its (nonzero) digits is 25312500, while the sum is 57.

It can be divided in two parts, 55045 and 959555, that added together give a triangular number (1014600 = T₁₄₂₄).

The spelling of 55045959555 in words is "fifty-five billion, forty-five million, nine hundred fifty-nine thousand, five hundred fifty-five".