564452889 has 32 divisors (see below), whose sum is σ = 1010494464. Its totient is φ = 270665280.

The previous prime is 564452869. The next prime is 564452909. The reversal of 564452889 is 988254465.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (564452869) and next prime (564452909).

It is not a de Polignac number, because 564452889 - 2⁵ = 564452857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (564452869) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90979 + ... + 96984.

It is an arithmetic number, because the mean of its divisors is an integer number (31577952).

Almost surely, 2^564452889 is an apocalyptic number.

It is an amenable number.

564452889 is a deficient number, since it is larger than the sum of its proper divisors (446041575).

564452889 is a wasteful number, since it uses less digits than its factorization.

564452889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187997.

The product of its digits is 2764800, while the sum is 51.

The square root of 564452889 is about 23758.2172942332. The cubic root of 564452889 is about 826.4360121285.

The spelling of 564452889 in words is "five hundred sixty-four million, four hundred fifty-two thousand, eight hundred eighty-nine".