564521355 has 48 divisors (see below), whose sum is σ = 1002006720. Its totient is φ = 293932800.

The previous prime is 564521351. The next prime is 564521357. The reversal of 564521355 is 553125465.

564521355 is a `hidden beast` number, since 5 + 645 + 2 + 1 + 3 + 5 + 5 = 666.

564521355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 564521355 - 2² = 564521351 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (564521351) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 347445 + ... + 349065.

It is an arithmetic number, because the mean of its divisors is an integer number (20875140).

Almost surely, 2^564521355 is an apocalyptic number.

564521355 is a deficient number, since it is larger than the sum of its proper divisors (437485365).

564521355 is a wasteful number, since it uses less digits than its factorization.

564521355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1812 (or 1809 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The square root of 564521355 is about 23759.6581414801. The cubic root of 564521355 is about 826.4694252982.

It can be divided in two parts, 5645 and 21355, that added together give a cube (27000 = 30³).

The spelling of 564521355 in words is "five hundred sixty-four million, five hundred twenty-one thousand, three hundred fifty-five".