56287560 has 128 divisors (see below), whose sum is σ = 195022080. Its totient is φ = 12730368.

The previous prime is 56287549. The next prime is 56287573. The reversal of 56287560 is 6578265.

It is a happy number.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94624 + ... + 95216.

It is an arithmetic number, because the mean of its divisors is an integer number (1523610).

Almost surely, 2^56287560 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 56287560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97511040).

56287560 is an abundant number, since it is smaller than the sum of its proper divisors (138734520).

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

56287560 is a wasteful number, since it uses less digits than its factorization.

56287560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727 (or 723 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 56287560 is about 7502.5035821384. The cubic root of 56287560 is about 383.2399789473.

The spelling of 56287560 in words is "fifty-six million, two hundred eighty-seven thousand, five hundred sixty".