56236138 has 16 divisors (see below), whose sum is σ = 97401024. Its totient is φ = 23852160.

The previous prime is 56236123. The next prime is 56236199. The reversal of 56236138 is 83163265.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19348 + ... + 22063.

It is an arithmetic number, because the mean of its divisors is an integer number (6087564).

Almost surely, 2^56236138 is an apocalyptic number.

56236138 is a deficient number, since it is larger than the sum of its proper divisors (41164886).

56236138 is a wasteful number, since it uses less digits than its factorization.

56236138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41517.

The product of its digits is 25920, while the sum is 34.

The square root of 56236138 is about 7499.0758097248. The cubic root of 56236138 is about 383.1232392958.

The spelling of 56236138 in words is "fifty-six million, two hundred thirty-six thousand, one hundred thirty-eight".