56922128393 has 16 divisors (see below), whose sum is σ = 61583328576. Its totient is φ = 52301764800.

The previous prime is 56922128387. The next prime is 56922128399. The reversal of 56922128393 is 39382122965.

It is an interprime number because it is at equal distance from previous prime (56922128387) and next prime (56922128399).

It is a cyclic number.

It is not a de Polignac number, because 56922128393 - 2¹⁸ = 56921866249 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56922128399) 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, 3075818 + ... + 3094268.

It is an arithmetic number, because the mean of its divisors is an integer number (3848958036).

Almost surely, 2^56922128393 is an apocalyptic number.

It is an amenable number.

56922128393 is a deficient number, since it is larger than the sum of its proper divisors (4661200183).

56922128393 is a wasteful number, since it uses less digits than its factorization.

56922128393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19544.

The product of its digits is 1399680, while the sum is 50.

The spelling of 56922128393 in words is "fifty-six billion, nine hundred twenty-two million, one hundred twenty-eight thousand, three hundred ninety-three".