56816524737 has 72 divisors (see below), whose sum is σ = 99599363136. Its totient is φ = 32271045408.

The previous prime is 56816524727. The next prime is 56816524741. The reversal of 56816524737 is 73742561865.

56816524737 is a `hidden beast` number, since 5 + 6 + 8 + 165 + 2 + 473 + 7 = 666.

It is not a de Polignac number, because 56816524737 - 2⁶ = 56816524673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56816524727) 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 71 ways as a sum of consecutive naturals, for example, 1974183 + ... + 2002755.

It is an arithmetic number, because the mean of its divisors is an integer number (1383324488).

Almost surely, 2^56816524737 is an apocalyptic number.

It is an amenable number.

56816524737 is a deficient number, since it is larger than the sum of its proper divisors (42782838399).

56816524737 is a wasteful number, since it uses less digits than its factorization.

56816524737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28769 (or 28750 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 54.

The spelling of 56816524737 in words is "fifty-six billion, eight hundred sixteen million, five hundred twenty-four thousand, seven hundred thirty-seven".