564991952 has 30 divisors (see below), whose sum is σ = 1273395618. Its totient is φ = 242139072.

The previous prime is 564991951. The next prime is 564991967. The reversal of 564991952 is 259199465.

It can be written as a sum of positive squares in only one way, i.e., 524593216 + 40398736 = 22904^2 + 6356^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 564991952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564991951) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 359543 + ... + 361110.

Almost surely, 2^564991952 is an apocalyptic number.

It is an amenable number.

564991952 is an abundant number, since it is smaller than the sum of its proper divisors (708403666).

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

564991952 is a wasteful number, since it uses less digits than its factorization.

564991952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720675 (or 720662 counting only the distinct ones).

The product of its digits is 874800, while the sum is 50.

The square root of 564991952 is about 23769.5593564542. The cubic root of 564991952 is about 826.6990156725.

The spelling of 564991952 in words is "five hundred sixty-four million, nine hundred ninety-one thousand, nine hundred fifty-two".