56955078686 has 32 divisors (see below), whose sum is σ = 93674124000. Its totient is φ = 25756922880.

The previous prime is 56955078571. The next prime is 56955078707. The reversal of 56955078686 is 68687055965.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8828390 + ... + 8834838.

It is an arithmetic number, because the mean of its divisors is an integer number (2927316375).

Almost surely, 2^56955078686 is an apocalyptic number.

56955078686 is a deficient number, since it is larger than the sum of its proper divisors (36719045314).

56955078686 is a wasteful number, since it uses less digits than its factorization.

56955078686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8444.

The product of its (nonzero) digits is 108864000, while the sum is 65.

The spelling of 56955078686 in words is "fifty-six billion, nine hundred fifty-five million, seventy-eight thousand, six hundred eighty-six".