564898536 has 80 divisors (see below), whose sum is σ = 1625071140. Its totient is φ = 183202560.

The previous prime is 564898517. The next prime is 564898547. The reversal of 564898536 is 635898465.

It is a happy number.

564898536 is a `hidden beast` number, since 56 + 489 + 85 + 36 = 666.

564898536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 561974436 + 2924100 = 23706^2 + 1710^2 .

It is a super-2 number, since 2×564898536² = 638220711949886592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12196 + ... + 35756.

Almost surely, 2^564898536 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 564898536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (812535570).

564898536 is an abundant number, since it is smaller than the sum of its proper divisors (1060172604).

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

564898536 is a wasteful number, since it uses less digits than its factorization.

564898536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23616 (or 23603 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 54.

The square root of 564898536 is about 23767.5942408987. The cubic root of 564898536 is about 826.6534509102.

It can be divided in two parts, 56489 and 8536, that added together give a square (65025 = 255²).

The spelling of 564898536 in words is "five hundred sixty-four million, eight hundred ninety-eight thousand, five hundred thirty-six".