56979660 has 48 divisors (see below), whose sum is σ = 159919200. Its totient is φ = 15158784.

The previous prime is 56979653. The next prime is 56979677. The reversal of 56979660 is 6697965.

56979660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33306 + ... + 34974.

It is an arithmetic number, because the mean of its divisors is an integer number (3331650).

Almost surely, 2^56979660 is an apocalyptic number.

It is an amenable number.

56979660 is an abundant number, since it is smaller than the sum of its proper divisors (102939540).

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

56979660 is a wasteful number, since it uses less digits than its factorization.

56979660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2250 (or 2248 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 48.

The square root of 56979660 is about 7548.4872656712. The cubic root of 56979660 is about 384.8043307734.

The spelling of 56979660 in words is "fifty-six million, nine hundred seventy-nine thousand, six hundred sixty".