565539264 has 84 divisors (see below), whose sum is σ = 1624346256. Its totient is φ = 188126208.

The previous prime is 565539259. The next prime is 565539283. The reversal of 565539264 is 462935565.

565539264 is a `hidden beast` number, since 5 + 6 + 553 + 92 + 6 + 4 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 473452 + ... + 474644.

Almost surely, 2^565539264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 565539264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (812173128).

565539264 is an abundant number, since it is smaller than the sum of its proper divisors (1058806992).

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

565539264 is a wasteful number, since it uses less digits than its factorization.

565539264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034 (or 2021 counting only the distinct ones).

The product of its digits is 972000, while the sum is 45.

The square root of 565539264 is about 23781.0694460951. The cubic root of 565539264 is about 826.9658727297.

The spelling of 565539264 in words is "five hundred sixty-five million, five hundred thirty-nine thousand, two hundred sixty-four".