55165710 has 32 divisors (see below), whose sum is σ = 132619680. Its totient is φ = 14686208.

The previous prime is 55165703. The next prime is 55165711. The reversal of 55165710 is 1756155.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55165711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23134 + ... + 25406.

It is an arithmetic number, because the mean of its divisors is an integer number (4144365).

Almost surely, 2^55165710 is an apocalyptic number.

55165710 is an abundant number, since it is smaller than the sum of its proper divisors (77453970).

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

55165710 is a wasteful number, since it uses less digits than its factorization.

55165710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3092.

The product of its (nonzero) digits is 5250, while the sum is 30.

The square root of 55165710 is about 7427.3622504897. The cubic root of 55165710 is about 380.6767948098.

The spelling of 55165710 in words is "fifty-five million, one hundred sixty-five thousand, seven hundred ten".