564533580 has 48 divisors (see below), whose sum is σ = 1702288224. Its totient is φ = 138961920.

The previous prime is 564533579. The next prime is 564533587. The reversal of 564533580 is 85335465.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (564533587) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361101 + ... + 362660.

It is an arithmetic number, because the mean of its divisors is an integer number (35464338).

Almost surely, 2^564533580 is an apocalyptic number.

It is an amenable number.

564533580 is an abundant number, since it is smaller than the sum of its proper divisors (1137754644).

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

564533580 is a wasteful number, since it uses less digits than its factorization.

564533580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723786 (or 723784 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

The square root of 564533580 is about 23759.9154038898. The cubic root of 564533580 is about 826.4753911285.

The spelling of 564533580 in words is "five hundred sixty-four million, five hundred thirty-three thousand, five hundred eighty".