55112313545 has 16 divisors (see below), whose sum is σ = 68471721360. Its totient is φ = 42534395904.

The previous prime is 55112313533. The next prime is 55112313563. The reversal of 55112313545 is 54531321155.

It can be written as a sum of positive squares in 8 ways, for example, as 167547136 + 54944766409 = 12944^2 + 234403^2 .

It is a cyclic number.

It is not a de Polignac number, because 55112313545 - 2²⁶ = 55045204681 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20309 + ... + 332621.

It is an arithmetic number, because the mean of its divisors is an integer number (4279482585).

Almost surely, 2^55112313545 is an apocalyptic number.

It is an amenable number.

55112313545 is a deficient number, since it is larger than the sum of its proper divisors (13359407815).

55112313545 is a wasteful number, since it uses less digits than its factorization.

55112313545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313564.

The product of its digits is 45000, while the sum is 35.

The spelling of 55112313545 in words is "fifty-five billion, one hundred twelve million, three hundred thirteen thousand, five hundred forty-five".