564503563 has 16 divisors (see below), whose sum is σ = 620696160. Its totient is φ = 510206976.

The previous prime is 564503519. The next prime is 564503567. The reversal of 564503563 is 365305465.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-564503563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (564503567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211131 + ... + 213787.

It is an arithmetic number, because the mean of its divisors is an integer number (38793510).

Almost surely, 2^564503563 is an apocalyptic number.

564503563 is a deficient number, since it is larger than the sum of its proper divisors (56192597).

564503563 is a wasteful number, since it uses less digits than its factorization.

564503563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3006.

The product of its (nonzero) digits is 162000, while the sum is 37.

The square root of 564503563 is about 23759.2837223684. The cubic root of 564503563 is about 826.4607426042.

The spelling of 564503563 in words is "five hundred sixty-four million, five hundred three thousand, five hundred sixty-three".