56057860 has 12 divisors (see below), whose sum is σ = 117721548. Its totient is φ = 22423136.

The previous prime is 56057851. The next prime is 56057861. The reversal of 56057860 is 6875065.

It can be written as a sum of positive squares in 2 ways, for example, as 12787776 + 43270084 = 3576^2 + 6578^2 .

It is not an unprimeable number, because it can be changed into a prime (56057861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1401427 + ... + 1401466.

It is an arithmetic number, because the mean of its divisors is an integer number (9810129).

Almost surely, 2^56057860 is an apocalyptic number.

It is an amenable number.

56057860 is an abundant number, since it is smaller than the sum of its proper divisors (61663688).

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

56057860 is a wasteful number, since it uses less digits than its factorization.

56057860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802902 (or 2802900 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 56057860 is about 7487.1797093432. The cubic root of 56057860 is about 382.7179557219.

The spelling of 56057860 in words is "fifty-six million, fifty-seven thousand, eight hundred sixty".