56938971 has 16 divisors (see below), whose sum is σ = 78842880. Its totient is φ = 36512160.

The previous prime is 56938963. The next prime is 56939021. The reversal of 56938971 is 17983965.

It is not a de Polignac number, because 56938971 - 2³ = 56938963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56938971.

It is not an unprimeable number, because it can be changed into a prime (56938171) 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, 14320 + ... + 17858.

It is an arithmetic number, because the mean of its divisors is an integer number (4927680).

Almost surely, 2^56938971 is an apocalyptic number.

56938971 is a deficient number, since it is larger than the sum of its proper divisors (21903909).

56938971 is a wasteful number, since it uses less digits than its factorization.

56938971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3746.

The product of its digits is 408240, while the sum is 48.

The square root of 56938971 is about 7545.7916085723. The cubic root of 56938971 is about 384.7127130988.

The spelling of 56938971 in words is "fifty-six million, nine hundred thirty-eight thousand, nine hundred seventy-one".