564574856 has 8 divisors (see below), whose sum is σ = 1058577870. Its totient is φ = 282287424.

The previous prime is 564574853. The next prime is 564574867. The reversal of 564574856 is 658475465.

It can be written as a sum of positive squares in only one way, i.e., 366722500 + 197852356 = 19150^2 + 14066^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (564574853) by changing a digit.

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 as a sum of consecutive naturals, namely, 35285921 + ... + 35285936.

Almost surely, 2^564574856 is an apocalyptic number.

It is an amenable number.

564574856 is a deficient number, since it is larger than the sum of its proper divisors (494003014).

564574856 is a wasteful number, since it uses less digits than its factorization.

564574856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70571863 (or 70571859 counting only the distinct ones).

The product of its digits is 4032000, while the sum is 50.

The square root of 564574856 is about 23760.7839937995. The cubic root of 564574856 is about 826.4955332824.

The spelling of 564574856 in words is "five hundred sixty-four million, five hundred seventy-four thousand, eight hundred fifty-six".