56610564 has 12 divisors (see below), whose sum is σ = 132091344. Its totient is φ = 18870184.

The previous prime is 56610563. The next prime is 56610569. The reversal of 56610564 is 46501665.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (56610563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2358762 + ... + 2358785.

It is an arithmetic number, because the mean of its divisors is an integer number (11007612).

Almost surely, 2^56610564 is an apocalyptic number.

It is an amenable number.

56610564 is an abundant number, since it is smaller than the sum of its proper divisors (75480780).

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

56610564 is a wasteful number, since it uses less digits than its factorization.

56610564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4717554 (or 4717552 counting only the distinct ones).

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

The square root of 56610564 is about 7523.9992025518. Note that the first 3 decimals coincide. The cubic root of 56610564 is about 383.9716504679.

The spelling of 56610564 in words is "fifty-six million, six hundred ten thousand, five hundred sixty-four".