565560 has 48 divisors (see below), whose sum is σ = 1839240. Its totient is φ = 150720.

The previous prime is 565559. The next prime is 565567. The reversal of 565560 is 65565.

565560 is a `hidden beast` number, since 5 + 655 + 6 + 0 = 666.

It is a super-2 number, since 2×565560² = 639716227200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 426 + ... + 1145.

2⁵⁶⁵⁵⁶⁰ is an apocalyptic number.

It is an amenable number.

565560 is an abundant number, since it is smaller than the sum of its proper divisors (1273680).

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

565560 is a wasteful number, since it uses less digits than its factorization.

565560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588 (or 1581 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 565560 is about 752.0372331208. The cubic root of 565560 is about 82.6975979753.

The spelling of 565560 in words is "five hundred sixty-five thousand, five hundred sixty".