56165610 has 32 divisors (see below), whose sum is σ = 135148032. Its totient is φ = 14938560.

The previous prime is 56165587. The next prime is 56165621. The reversal of 56165610 is 1656165.

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

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10407 + ... + 14853.

It is an arithmetic number, because the mean of its divisors is an integer number (4223376).

Almost surely, 2^56165610 is an apocalyptic number.

56165610 is an abundant number, since it is smaller than the sum of its proper divisors (78982422).

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

56165610 is a wasteful number, since it uses less digits than its factorization.

56165610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4878.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 56165610 is about 7494.3718882906. The cubic root of 56165610 is about 382.9630088778.

The spelling of 56165610 in words is "fifty-six million, one hundred sixty-five thousand, six hundred ten".