56156700064 has 24 divisors (see below), whose sum is σ = 110565850500. Its totient is φ = 28076484096.

The previous prime is 56156700059. The next prime is 56156700091. The reversal of 56156700064 is 46000765165.

It can be written as a sum of positive squares in 2 ways, for example, as 55645035664 + 511664400 = 235892^2 + 22620^2 .

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 3 ways as a sum of consecutive naturals, for example, 518532 + ... + 617404.

Almost surely, 2^56156700064 is an apocalyptic number.

It is an amenable number.

56156700064 is a deficient number, since it is larger than the sum of its proper divisors (54409150436).

56156700064 is a wasteful number, since it uses less digits than its factorization.

56156700064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116632 (or 116624 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 56156700064 in words is "fifty-six billion, one hundred fifty-six million, seven hundred thousand, sixty-four".