56057238 has 32 divisors (see below), whose sum is σ = 128593920. Its totient is φ = 18082440.

The previous prime is 56057219. The next prime is 56057293. The reversal of 56057238 is 83275065.

56057238 is a `hidden beast` number, since 56 + 0 + 572 + 38 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15070 + ... + 18417.

It is an arithmetic number, because the mean of its divisors is an integer number (4018560).

Almost surely, 2^56057238 is an apocalyptic number.

56057238 is an abundant number, since it is smaller than the sum of its proper divisors (72536682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56057238 is a wasteful number, since it uses less digits than its factorization.

56057238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33529 (or 33523 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 56057238 is about 7487.1381715579. The cubic root of 56057238 is about 382.7165402115.

The spelling of 56057238 in words is "fifty-six million, fifty-seven thousand, two hundred thirty-eight".