563634688 has 60 divisors (see below), whose sum is σ = 1177826958. Its totient is φ = 269434880.

The previous prime is 563634661. The next prime is 563634703. The reversal of 563634688 is 886436365.

It can be written as a sum of positive squares in only one way, i.e., 503912704 + 59721984 = 22448^2 + 7728^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 269808 + ... + 271888.

Almost surely, 2^563634688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 563634688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (588913479).

563634688 is an abundant number, since it is smaller than the sum of its proper divisors (614192270).

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

563634688 is an equidigital number, since it uses as much as digits as its factorization.

563634688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2145 (or 2106 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 49.

The square root of 563634688 is about 23740.9917231779. The cubic root of 563634688 is about 826.0364997443.

The spelling of 563634688 in words is "five hundred sixty-three million, six hundred thirty-four thousand, six hundred eighty-eight".