564899546 has 32 divisors (see below), whose sum is σ = 895546368. Its totient is φ = 266872320.

The previous prime is 564899537. The next prime is 564899551. The reversal of 564899546 is 645998465.

It is a super-2 number, since 2×564899546² = 638222994142012232, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 564899491 and 564899500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1159715 + ... + 1160201.

It is an arithmetic number, because the mean of its divisors is an integer number (27985824).

Almost surely, 2^564899546 is an apocalyptic number.

564899546 is a deficient number, since it is larger than the sum of its proper divisors (330646822).

564899546 is a wasteful number, since it uses less digits than its factorization.

564899546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926.

The product of its digits is 9331200, while the sum is 56.

The square root of 564899546 is about 23767.6154883068. The cubic root of 564899546 is about 826.6539435766.

The spelling of 564899546 in words is "five hundred sixty-four million, eight hundred ninety-nine thousand, five hundred forty-six".