565566056 has 32 divisors (see below), whose sum is σ = 1171497600. Its totient is φ = 253818240.

The previous prime is 565566037. The next prime is 565566059. The reversal of 565566056 is 650665565.

565566056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 565565998 and 565566016.

It is not an unprimeable number, because it can be changed into a prime (565566059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33725 + ... + 47628.

It is an arithmetic number, because the mean of its divisors is an integer number (36609300).

Almost surely, 2^565566056 is an apocalyptic number.

It is an amenable number.

565566056 is an abundant number, since it is smaller than the sum of its proper divisors (605931544).

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

565566056 is a wasteful number, since it uses less digits than its factorization.

565566056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81449 (or 81445 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 44.

The square root of 565566056 is about 23781.6327446204. The cubic root of 565566056 is about 826.9789314869.

The spelling of 565566056 in words is "five hundred sixty-five million, five hundred sixty-six thousand, fifty-six".