56939859 has 6 divisors (see below), whose sum is σ = 82246476. Its totient is φ = 37959900.

The previous prime is 56939849. The next prime is 56939863. The reversal of 56939859 is 95893965.

It is not a de Polignac number, because 56939859 - 2²⁴ = 40162643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56939809) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3163317 + ... + 3163334.

It is an arithmetic number, because the mean of its divisors is an integer number (13707746).

Almost surely, 2^56939859 is an apocalyptic number.

56939859 is a deficient number, since it is larger than the sum of its proper divisors (25306617).

56939859 is a wasteful number, since it uses less digits than its factorization.

56939859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6326657 (or 6326654 counting only the distinct ones).

The product of its digits is 2624400, while the sum is 54.

The square root of 56939859 is about 7545.8504490879. The cubic root of 56939859 is about 384.7147130361.

The spelling of 56939859 in words is "fifty-six million, nine hundred thirty-nine thousand, eight hundred fifty-nine".