56605164 has 48 divisors (see below), whose sum is σ = 164672256. Its totient is φ = 14702400.

The previous prime is 56605141. The next prime is 56605169. The reversal of 56605164 is 46150665.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (56605169) 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, 29707 + ... + 31554.

It is an arithmetic number, because the mean of its divisors is an integer number (3430672).

Almost surely, 2^56605164 is an apocalyptic number.

It is an amenable number.

56605164 is an abundant number, since it is smaller than the sum of its proper divisors (108067092).

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

56605164 is a wasteful number, since it uses less digits than its factorization.

56605164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61286 (or 61284 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 56605164 is about 7523.6403422811. The cubic root of 56605164 is about 383.9594412458.

The spelling of 56605164 in words is "fifty-six million, six hundred five thousand, one hundred sixty-four".