56589966923 has 4 divisors (see below), whose sum is σ = 64674247920. Its totient is φ = 48505685928.

The previous prime is 56589966899. The next prime is 56589966941. The reversal of 56589966923 is 32966998565.

It is a happy number.

56589966923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32966998565 = 5 ⋅6593399713.

It is a de Polignac number, because none of the positive numbers 2^k-56589966923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56589966523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4042140488 + ... + 4042140501.

It is an arithmetic number, because the mean of its divisors is an integer number (16168561980).

Almost surely, 2^56589966923 is an apocalyptic number.

56589966923 is a deficient number, since it is larger than the sum of its proper divisors (8084280997).

56589966923 is an equidigital number, since it uses as much as digits as its factorization.

56589966923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8084280996.

The product of its digits is 188956800, while the sum is 68.

The spelling of 56589966923 in words is "fifty-six billion, five hundred eighty-nine million, nine hundred sixty-six thousand, nine hundred twenty-three".