565963648 has 32 divisors (see below), whose sum is σ = 1134727560. Its totient is φ = 281169408.

The previous prime is 565963633. The next prime is 565963661. The reversal of 565963648 is 846369565.

565963648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 565963595 and 565963604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6015 + ... + 34177.

Almost surely, 2^565963648 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 565963648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (567363780).

565963648 is an abundant number, since it is smaller than the sum of its proper divisors (568763912).

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

565963648 is a wasteful number, since it uses less digits than its factorization.

565963648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28334 (or 28322 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 52.

The square root of 565963648 is about 23789.9905002083. The cubic root of 565963648 is about 827.1726743664.

The spelling of 565963648 in words is "five hundred sixty-five million, nine hundred sixty-three thousand, six hundred forty-eight".