56716544064 has 56 divisors (see below), whose sum is σ = 150471599488. Its totient is φ = 18853977600.

The previous prime is 56716544051. The next prime is 56716544081. The reversal of 56716544064 is 46044561765.

It is a Harshad number since it is a multiple of its sum of digits (48).

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 7 ways as a sum of consecutive naturals, for example, 331987 + ... + 472914.

It is an arithmetic number, because the mean of its divisors is an integer number (2686992848).

Almost surely, 2^56716544064 is an apocalyptic number.

It is an amenable number.

56716544064 is an abundant number, since it is smaller than the sum of its proper divisors (93755055424).

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

56716544064 is a wasteful number, since it uses less digits than its factorization.

56716544064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805283 (or 805273 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 48.

The spelling of 56716544064 in words is "fifty-six billion, seven hundred sixteen million, five hundred forty-four thousand, sixty-four".