56814643072 has 32 divisors (see below), whose sum is σ = 123475008600. Its totient is φ = 25824837120.

The previous prime is 56814643069. The next prime is 56814643073. The reversal of 56814643072 is 27034641865.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56814643073) by changing a digit.

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, 20174247 + ... + 20177062.

Almost surely, 2^56814643072 is an apocalyptic number.

It is an amenable number.

56814643072 is an abundant number, since it is smaller than the sum of its proper divisors (66660365528).

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

56814643072 is a wasteful number, since it uses less digits than its factorization.

56814643072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40351334 (or 40351322 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 56814643072 in words is "fifty-six billion, eight hundred fourteen million, six hundred forty-three thousand, seventy-two".