56138496 has 72 divisors (see below), whose sum is σ = 151779264. Its totient is φ = 18416640.

The previous prime is 56138479. The next prime is 56138503. The reversal of 56138496 is 69483165.

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, 50911 + ... + 52001.

Almost surely, 2^56138496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56138496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75889632).

56138496 is an abundant number, since it is smaller than the sum of its proper divisors (95640768).

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

56138496 is a wasteful number, since it uses less digits than its factorization.

56138496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177 (or 1163 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 56138496 is about 7492.5627124503. The cubic root of 56138496 is about 382.9013737101.

The spelling of 56138496 in words is "fifty-six million, one hundred thirty-eight thousand, four hundred ninety-six".