56605551625 has 32 divisors (see below), whose sum is σ = 80758080000. Its totient is φ = 38804472000.

The previous prime is 56605551589. The next prime is 56605551631. The reversal of 56605551625 is 52615550665.

It is not a de Polignac number, because 56605551625 - 2³³ = 48015617033 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4367655 + ... + 4380595.

It is an arithmetic number, because the mean of its divisors is an integer number (2523690000).

Almost surely, 2^56605551625 is an apocalyptic number.

It is an amenable number.

56605551625 is a deficient number, since it is larger than the sum of its proper divisors (24152528375).

56605551625 is a wasteful number, since it uses less digits than its factorization.

56605551625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17962 (or 17952 counting only the distinct ones).

The product of its (nonzero) digits is 1350000, while the sum is 46.

The spelling of 56605551625 in words is "fifty-six billion, six hundred five million, five hundred fifty-one thousand, six hundred twenty-five".