564553616 has 20 divisors (see below), whose sum is σ = 1193261424. Its totient is φ = 256615200.

The previous prime is 564553571. The next prime is 564553637. The reversal of 564553616 is 616355465.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1603670 + ... + 1604021.

Almost surely, 2^564553616 is an apocalyptic number.

It is an amenable number.

564553616 is an abundant number, since it is smaller than the sum of its proper divisors (628707808).

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

564553616 is a wasteful number, since it uses less digits than its factorization.

564553616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3207710 (or 3207704 counting only the distinct ones).

The product of its digits is 324000, while the sum is 41.

The square root of 564553616 is about 23760.3370346466. The cubic root of 564553616 is about 826.4851685598.

The spelling of 564553616 in words is "five hundred sixty-four million, five hundred fifty-three thousand, six hundred sixteen".