565043648 has 56 divisors (see below), whose sum is σ = 1210818000. Its totient is φ = 260075520.

The previous prime is 565043617. The next prime is 565043651. The reversal of 565043648 is 846340565.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 414488 + ... + 415848.

It is an arithmetic number, because the mean of its divisors is an integer number (21621750).

Almost surely, 2^565043648 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 565043648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (605409000).

565043648 is an abundant number, since it is smaller than the sum of its proper divisors (645774352).

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

565043648 is a wasteful number, since it uses less digits than its factorization.

565043648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885 (or 1875 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 41.

The square root of 565043648 is about 23770.6467728583. The cubic root of 565043648 is about 826.7242288510.

The spelling of 565043648 in words is "five hundred sixty-five million, forty-three thousand, six hundred forty-eight".