564564546 has 64 divisors (see below), whose sum is σ = 1544121600. Its totient is φ = 148894848.

The previous prime is 564564491. The next prime is 564564563. The reversal of 564564546 is 645465465.

564564546 is a `hidden beast` number, since 5 + 6 + 45 + 64 + 546 = 666.

It is a super-2 number, since 2×564564546² = 637466253200372232, which contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 52531 + ... + 62358.

It is an arithmetic number, because the mean of its divisors is an integer number (24126900).

Almost surely, 2^564564546 is an apocalyptic number.

564564546 is an abundant number, since it is smaller than the sum of its proper divisors (979557054).

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

564564546 is a wasteful number, since it uses less digits than its factorization.

564564546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114920 (or 114914 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 45.

The square root of 564564546 is about 23760.5670386883. The cubic root of 564564546 is about 826.4905022278.

The spelling of 564564546 in words is "five hundred sixty-four million, five hundred sixty-four thousand, five hundred forty-six".