56938889 has 4 divisors (see below), whose sum is σ = 65073024. Its totient is φ = 48804756.

The previous prime is 56938859. The next prime is 56938939. The reversal of 56938889 is 98883965.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 56938889 - 2⁸ = 56938633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56938829) 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, 4067057 + ... + 4067070.

It is an arithmetic number, because the mean of its divisors is an integer number (16268256).

Almost surely, 2^56938889 is an apocalyptic number.

It is an amenable number.

56938889 is a deficient number, since it is larger than the sum of its proper divisors (8134135).

56938889 is an equidigital number, since it uses as much as digits as its factorization.

56938889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8134134.

The product of its digits is 3732480, while the sum is 56.

The square root of 56938889 is about 7545.7861750781. The cubic root of 56938889 is about 384.7125284189.

The spelling of 56938889 in words is "fifty-six million, nine hundred thirty-eight thousand, eight hundred eighty-nine".