64056560 has 20 divisors (see below), whose sum is σ = 148931688. Its totient is φ = 25622592.

The previous prime is 64056557. The next prime is 64056589. The reversal of 64056560 is 6565046.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

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, 400274 + ... + 400433.

Almost surely, 2^64056560 is an apocalyptic number.

It is an amenable number.

64056560 is an abundant number, since it is smaller than the sum of its proper divisors (84875128).

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

64056560 is a wasteful number, since it uses less digits than its factorization.

64056560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800720 (or 800714 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 64056560 is about 8003.5342193309. The cubic root of 64056560 is about 400.1177986386.

The spelling of 64056560 in words is "sixty-four million, fifty-six thousand, five hundred sixty".