564650556 has 24 divisors (see below), whose sum is σ = 1329834240. Its totient is φ = 186457392.

The previous prime is 564650543. The next prime is 564650557. The reversal of 564650556 is 655056465.

564650556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×564650556² = 637660500782218272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564650557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218596 + ... + 221163.

It is an arithmetic number, because the mean of its divisors is an integer number (55409760).

Almost surely, 2^564650556 is an apocalyptic number.

It is an amenable number.

564650556 is an abundant number, since it is smaller than the sum of its proper divisors (765183684).

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

564650556 is a wasteful number, since it uses less digits than its factorization.

564650556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439873 (or 439871 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 42.

The square root of 564650556 is about 23762.3769013119. The cubic root of 564650556 is about 826.5324713519.

The spelling of 564650556 in words is "five hundred sixty-four million, six hundred fifty thousand, five hundred fifty-six".