56551596 has 12 divisors (see below), whose sum is σ = 131953752. Its totient is φ = 18850528.

The previous prime is 56551589. The next prime is 56551613. The reversal of 56551596 is 69515565.

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

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, 2356305 + ... + 2356328.

It is an arithmetic number, because the mean of its divisors is an integer number (10996146).

Almost surely, 2^56551596 is an apocalyptic number.

It is an amenable number.

56551596 is an abundant number, since it is smaller than the sum of its proper divisors (75402156).

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

56551596 is a wasteful number, since it uses less digits than its factorization.

56551596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4712640 (or 4712638 counting only the distinct ones).

The product of its digits is 202500, while the sum is 42.

The square root of 56551596 is about 7520.0795208561. The cubic root of 56551596 is about 383.8382836845.

The spelling of 56551596 in words is "fifty-six million, five hundred fifty-one thousand, five hundred ninety-six".