564323888 has 20 divisors (see below), whose sum is σ = 1093970160. Its totient is φ = 282009024.

The previous prime is 564323869. The next prime is 564323909. The reversal of 564323888 is 888323465.

It is a happy number.

It is a super-2 number, since 2×564323888² = 636922901134873088, which contains 22 as substring.

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, 24581 + ... + 41627.

It is an arithmetic number, because the mean of its divisors is an integer number (54698508).

Almost surely, 2^564323888 is an apocalyptic number.

It is an amenable number.

564323888 is a deficient number, since it is larger than the sum of its proper divisors (529646272).

564323888 is a wasteful number, since it uses less digits than its factorization.

564323888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19124 (or 19118 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 47.

The square root of 564323888 is about 23755.5022678957. The cubic root of 564323888 is about 826.3730489791.

The spelling of 564323888 in words is "five hundred sixty-four million, three hundred twenty-three thousand, eight hundred eighty-eight".