55165116 has 24 divisors (see below), whose sum is σ = 128848720. Its totient is φ = 18369792.

The previous prime is 55165091. The next prime is 55165127. The reversal of 55165116 is 61156155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15540 + ... + 18756.

Almost surely, 2^55165116 is an apocalyptic number.

It is an amenable number.

55165116 is an abundant number, since it is smaller than the sum of its proper divisors (73683604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55165116 is a wasteful number, since it uses less digits than its factorization.

55165116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4653 (or 4651 counting only the distinct ones).

The product of its digits is 4500, while the sum is 30.

The square root of 55165116 is about 7427.3222631040. The cubic root of 55165116 is about 380.6754284850.

The spelling of 55165116 in words is "fifty-five million, one hundred sixty-five thousand, one hundred sixteen".