56500332657 has 32 divisors (see below), whose sum is σ = 78807955200. Its totient is φ = 35960101632.

The previous prime is 56500332653. The next prime is 56500332697. The reversal of 56500332657 is 75623300565.

It is not a de Polignac number, because 56500332657 - 2² = 56500332653 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56500332653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6348903 + ... + 6357795.

It is an arithmetic number, because the mean of its divisors is an integer number (2462748600).

Almost surely, 2^56500332657 is an apocalyptic number.

It is an amenable number.

56500332657 is a deficient number, since it is larger than the sum of its proper divisors (22307622543).

56500332657 is a wasteful number, since it uses less digits than its factorization.

56500332657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9737.

The product of its (nonzero) digits is 567000, while the sum is 42.

The spelling of 56500332657 in words is "fifty-six billion, five hundred million, three hundred thirty-two thousand, six hundred fifty-seven".