56457260 has 24 divisors (see below), whose sum is σ = 118843200. Its totient is φ = 22529024.

The previous prime is 56457259. The next prime is 56457307. The reversal of 56457260 is 6275465.

It is a self number, because there is not a number n which added to its sum of digits gives 56457260.

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, 5837 + ... + 12123.

It is an arithmetic number, because the mean of its divisors is an integer number (4951800).

Almost surely, 2^56457260 is an apocalyptic number.

It is an amenable number.

56457260 is an abundant number, since it is smaller than the sum of its proper divisors (62385940).

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

56457260 is a wasteful number, since it uses less digits than its factorization.

56457260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6745 (or 6743 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 56457260 is about 7513.8046288149. The cubic root of 56457260 is about 383.6247328513.

The spelling of 56457260 in words is "fifty-six million, four hundred fifty-seven thousand, two hundred sixty".