563645952 has 100 divisors (see below), whose sum is σ = 1682458536. Its totient is φ = 187868160.

The previous prime is 563645947. The next prime is 563645987. The reversal of 563645952 is 259546365.

563645952 is a `hidden beast` number, since 5 + 636 + 4 + 5 + 9 + 5 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 563645898 and 563645907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 34677 + ... + 48267.

Almost surely, 2^563645952 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 563645952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (841229268).

563645952 is an abundant number, since it is smaller than the sum of its proper divisors (1118812584).

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

563645952 is an equidigital number, since it uses as much as digits as its factorization.

563645952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13621 (or 13596 counting only the distinct ones).

The product of its digits is 972000, while the sum is 45.

The square root of 563645952 is about 23741.2289488139. The cubic root of 563645952 is about 826.0420023706.

The spelling of 563645952 in words is "five hundred sixty-three million, six hundred forty-five thousand, nine hundred fifty-two".