56604 has 24 divisors (see below), whose sum is σ = 136080. Its totient is φ = 18304.

The previous prime is 56599. The next prime is 56611. The reversal of 56604 is 40665.

It is a congruent number.

It is an unprimeable number.

56604 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 592 + ... + 680.

It is an arithmetic number, because the mean of its divisors is an integer number (5670).

2⁵⁶⁶⁰⁴ is an apocalyptic number.

It is an amenable number.

56604 is an abundant number, since it is smaller than the sum of its proper divisors (79476).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68040).

56604 is a wasteful number, since it uses less digits than its factorization.

56604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 56604 is about 237.9159515459. The cubic root of 56604 is about 38.3956809378.

The spelling of 56604 in words is "fifty-six thousand, six hundred four".