564565255 has 16 divisors (see below), whose sum is σ = 686340864. Its totient is φ = 445772800.

The previous prime is 564565247. The next prime is 564565327. The reversal of 564565255 is 552565465.

It is not a de Polignac number, because 564565255 - 2³ = 564565247 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 176682 + ... + 179848.

It is an arithmetic number, because the mean of its divisors is an integer number (42896304).

Almost surely, 2^564565255 is an apocalyptic number.

564565255 is a deficient number, since it is larger than the sum of its proper divisors (121775609).

564565255 is a wasteful number, since it uses less digits than its factorization.

564565255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3626.

The product of its digits is 900000, while the sum is 43.

The square root of 564565255 is about 23760.5819583612. The cubic root of 564565255 is about 826.4908482063.

The spelling of 564565255 in words is "five hundred sixty-four million, five hundred sixty-five thousand, two hundred fifty-five".