56257488 has 240 divisors, whose sum is σ = 197308800. Its totient is φ = 14902272.

The previous prime is 56257469. The next prime is 56257507. The reversal of 56257488 is 88475265.

56257488 is a `hidden beast` number, since 562 + 5 + 7 + 4 + 88 = 666.

It is an interprime number because it is at equal distance from previous prime (56257469) and next prime (56257507).

Its product of digits (537600) is a multiple of the sum of its prime divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 839631 + ... + 839697.

It is an arithmetic number, because the mean of its divisors is an integer number (822120).

Almost surely, 2^56257488 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 56257488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98654400).

56257488 is an abundant number, since it is smaller than the sum of its proper divisors (141051312).

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

56257488 is a wasteful number, since it uses less digits than its factorization.

56257488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 96 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 56257488 is about 7500.4991833877. The cubic root of 56257488 is about 383.1717172943.

The spelling of 56257488 in words is "fifty-six million, two hundred fifty-seven thousand, four hundred eighty-eight".