56457860 has 12 divisors (see below), whose sum is σ = 118561548. Its totient is φ = 22583136.

The previous prime is 56457823. The next prime is 56457883. The reversal of 56457860 is 6875465.

It can be written as a sum of positive squares in 2 ways, for example, as 28558336 + 27899524 = 5344^2 + 5282^2 .

It is a hoax number, since the sum of its digits (41) 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 3 ways as a sum of consecutive naturals, for example, 1411427 + ... + 1411466.

It is an arithmetic number, because the mean of its divisors is an integer number (9880129).

Almost surely, 2^56457860 is an apocalyptic number.

It is an amenable number.

56457860 is an abundant number, since it is smaller than the sum of its proper divisors (62103688).

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

56457860 is a wasteful number, since it uses less digits than its factorization.

56457860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2822902 (or 2822900 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 56457860 is about 7513.8445552194. The cubic root of 56457860 is about 383.6260918381.

The spelling of 56457860 in words is "fifty-six million, four hundred fifty-seven thousand, eight hundred sixty".