56281528924 has 24 divisors (see below), whose sum is σ = 104350664880. Its totient is φ = 26469094656.

The previous prime is 56281528903. The next prime is 56281528937. The reversal of 56281528924 is 42982518265.

It is a super-2 number, since 2×56281528924² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143719 + ... + 364990.

It is an arithmetic number, because the mean of its divisors is an integer number (4347944370).

Almost surely, 2^56281528924 is an apocalyptic number.

It is an amenable number.

56281528924 is a deficient number, since it is larger than the sum of its proper divisors (48069135956).

56281528924 is a wasteful number, since it uses less digits than its factorization.

56281528924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510357 (or 510355 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 52.

The spelling of 56281528924 in words is "fifty-six billion, two hundred eighty-one million, five hundred twenty-eight thousand, nine hundred twenty-four".