56611604 has 12 divisors (see below), whose sum is σ = 113223264. Its totient is φ = 24262104.

The previous prime is 56611589. The next prime is 56611627. The reversal of 56611604 is 40611665.

56611604 is an admirable number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010894 + ... + 1010949.

It is an arithmetic number, because the mean of its divisors is an integer number (9435272).

Almost surely, 2^56611604 is an apocalyptic number.

It is an amenable number.

56611604 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

56611604 is a wasteful number, since it uses less digits than its factorization.

56611604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021854 (or 2021852 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 56611604 is about 7524.0683144161. The cubic root of 56611604 is about 383.9740017844.

The spelling of 56611604 in words is "fifty-six million, six hundred eleven thousand, six hundred four".