564445255 has 16 divisors (see below), whose sum is σ = 777801600. Its totient is φ = 388899360.

The previous prime is 564445229. The next prime is 564445307. The reversal of 564445255 is 552544465.

It is a happy number.

It is not a de Polignac number, because 564445255 - 2⁹ = 564444743 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269025 + ... + 271114.

It is an arithmetic number, because the mean of its divisors is an integer number (48612600).

Almost surely, 2^564445255 is an apocalyptic number.

564445255 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

564445255 is a deficient number, since it is larger than the sum of its proper divisors (213356345).

564445255 is a wasteful number, since it uses less digits than its factorization.

564445255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540174.

The product of its digits is 480000, while the sum is 40.

The square root of 564445255 is about 23758.0566334875. The cubic root of 564445255 is about 826.4322863727.

The spelling of 564445255 in words is "five hundred sixty-four million, four hundred forty-five thousand, two hundred fifty-five".