56293608921 has 16 divisors (see below), whose sum is σ = 81898905600. Its totient is φ = 34110133520.

The previous prime is 56293608887. The next prime is 56293608949. The reversal of 56293608921 is 12980639265.

It is a cyclic number.

It is not a de Polignac number, because 56293608921 - 2⁹ = 56293608409 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56293608421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19365 + ... + 336098.

It is an arithmetic number, because the mean of its divisors is an integer number (5118681600).

Almost surely, 2^56293608921 is an apocalyptic number.

It is an amenable number.

56293608921 is a deficient number, since it is larger than the sum of its proper divisors (25605296679).

56293608921 is a wasteful number, since it uses less digits than its factorization.

56293608921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360276.

The product of its (nonzero) digits is 1399680, while the sum is 51.

The spelling of 56293608921 in words is "fifty-six billion, two hundred ninety-three million, six hundred eight thousand, nine hundred twenty-one".