56591250 has 40 divisors (see below), whose sum is σ = 141442224. Its totient is φ = 15090000.

The previous prime is 56591237. The next prime is 56591251. The reversal of 56591250 is 5219565.

It is not an unprimeable number, because it can be changed into a prime (56591251) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3796 + ... + 11295.

Almost surely, 2^56591250 is an apocalyptic number.

56591250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56591250 is an abundant number, since it is smaller than the sum of its proper divisors (84850974).

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

56591250 is a wasteful number, since it uses less digits than its factorization.

56591250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15116 (or 15101 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 33.

The square root of 56591250 is about 7522.7156001008. The cubic root of 56591250 is about 383.9279785718.

The spelling of 56591250 in words is "fifty-six million, five hundred ninety-one thousand, two hundred fifty".