55156105165 has 32 divisors (see below), whose sum is σ = 77711111424. Its totient is φ = 36787737600.

The previous prime is 55156105099. The next prime is 55156105181. The reversal of 55156105165 is 56150165155.

It is not a de Polignac number, because 55156105165 - 2²⁵ = 55122550733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7314277 + ... + 7321813.

It is an arithmetic number, because the mean of its divisors is an integer number (2428472232).

Almost surely, 2^55156105165 is an apocalyptic number.

It is an amenable number.

55156105165 is a deficient number, since it is larger than the sum of its proper divisors (22555006259).

55156105165 is a wasteful number, since it uses less digits than its factorization.

55156105165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13237.

The product of its (nonzero) digits is 112500, while the sum is 40.

The spelling of 55156105165 in words is "fifty-five billion, one hundred fifty-six million, one hundred five thousand, one hundred sixty-five".