56547929928 has 64 divisors (see below), whose sum is σ = 161628140160. Its totient is φ = 16150288896.

The previous prime is 56547929849. The next prime is 56547929939. The reversal of 56547929928 is 82992974565.

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 15 ways as a sum of consecutive naturals, for example, 378426 + ... + 506262.

It is an arithmetic number, because the mean of its divisors is an integer number (2525439690).

Almost surely, 2^56547929928 is an apocalyptic number.

It is an amenable number.

56547929928 is an abundant number, since it is smaller than the sum of its proper divisors (105080210232).

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

56547929928 is a wasteful number, since it uses less digits than its factorization.

56547929928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130486 (or 130482 counting only the distinct ones).

The product of its digits is 97977600, while the sum is 66.

The spelling of 56547929928 in words is "fifty-six billion, five hundred forty-seven million, nine hundred twenty-nine thousand, nine hundred twenty-eight".