56838985 has 24 divisors (see below), whose sum is σ = 80773056. Its totient is φ = 37611840.

The previous prime is 56838983. The next prime is 56839021. The reversal of 56838985 is 58983865.

It is a happy number.

56838985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56838985 - 2¹ = 56838983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56838983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28470 + ... + 30400.

It is an arithmetic number, because the mean of its divisors is an integer number (3365544).

Almost surely, 2^56838985 is an apocalyptic number.

It is an amenable number.

56838985 is a deficient number, since it is larger than the sum of its proper divisors (23934071).

56838985 is a wasteful number, since it uses less digits than its factorization.

56838985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001 (or 1972 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 52.

The square root of 56838985 is about 7539.1634151277. The cubic root of 56838985 is about 384.4873933557.

The spelling of 56838985 in words is "fifty-six million, eight hundred thirty-eight thousand, nine hundred eighty-five".