565051564 has 48 divisors (see below), whose sum is σ = 1297739520. Its totient is φ = 208560960.

The previous prime is 565051561. The next prime is 565051579. The reversal of 565051564 is 465150565.

It is not an unprimeable number, because it can be changed into a prime (565051561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42427 + ... + 54130.

It is an arithmetic number, because the mean of its divisors is an integer number (27036240).

Almost surely, 2^565051564 is an apocalyptic number.

It is an amenable number.

565051564 is an abundant number, since it is smaller than the sum of its proper divisors (732687956).

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

565051564 is a wasteful number, since it uses less digits than its factorization.

565051564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96598 (or 96596 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 37.

The square root of 565051564 is about 23770.8132801551. The cubic root of 565051564 is about 826.7280895076.

Subtracting from 565051564 its reverse (465150565), we obtain a palindrome (99900999).

The spelling of 565051564 in words is "five hundred sixty-five million, fifty-one thousand, five hundred sixty-four".