56385312628 has 24 divisors (see below), whose sum is σ = 99881786592. Its totient is φ = 27847786464.

The previous prime is 56385312593. The next prime is 56385312661. The reversal of 56385312628 is 82621358365.

56385312628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 2254126 + ... + 2279002.

It is an arithmetic number, because the mean of its divisors is an integer number (4161741108).

Almost surely, 2^56385312628 is an apocalyptic number.

It is an amenable number.

56385312628 is a deficient number, since it is larger than the sum of its proper divisors (43496473964).

56385312628 is a wasteful number, since it uses less digits than its factorization.

56385312628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31791 (or 31789 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 49.

The spelling of 56385312628 in words is "fifty-six billion, three hundred eighty-five million, three hundred twelve thousand, six hundred twenty-eight".