564538216 has 32 divisors (see below), whose sum is σ = 1155746880. Its totient is φ = 256384000.

The previous prime is 564538211. The next prime is 564538217. The reversal of 564538216 is 612835465.

It is not an unprimeable number, because it can be changed into a prime (564538211) 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 in 7 ways as a sum of consecutive naturals, for example, 138885 + ... + 142891.

It is an arithmetic number, because the mean of its divisors is an integer number (36117090).

Almost surely, 2^564538216 is an apocalyptic number.

It is an amenable number.

564538216 is an abundant number, since it is smaller than the sum of its proper divisors (591208664).

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

564538216 is a wasteful number, since it uses less digits than its factorization.

564538216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5625 (or 5621 counting only the distinct ones).

The product of its digits is 172800, while the sum is 40.

The square root of 564538216 is about 23760.0129629594. The cubic root of 564538216 is about 826.4776534854.

The spelling of 564538216 in words is "five hundred sixty-four million, five hundred thirty-eight thousand, two hundred sixteen".