56490560 has 56 divisors (see below), whose sum is σ = 153741120. Its totient is φ = 19367424.

The previous prime is 56490557. The next prime is 56490571. The reversal of 56490560 is 6509465.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×56490560² = 6382366738227200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 56490560.

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, 10370 + ... + 14849.

Almost surely, 2^56490560 is an apocalyptic number.

It is an amenable number.

56490560 is an abundant number, since it is smaller than the sum of its proper divisors (97250560).

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

56490560 is a wasteful number, since it uses less digits than its factorization.

56490560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25243 (or 25233 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 56490560 is about 7516.0202234959. The cubic root of 56490560 is about 383.7001420653.

The spelling of 56490560 in words is "fifty-six million, four hundred ninety thousand, five hundred sixty".