565065564 has 48 divisors (see below), whose sum is σ = 1572361728. Its totient is φ = 154427328.

The previous prime is 565065563. The next prime is 565065569. The reversal of 565065564 is 465560565.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565065563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144307 + ... + 148170.

It is an arithmetic number, because the mean of its divisors is an integer number (32757536).

Almost surely, 2^565065564 is an apocalyptic number.

It is an amenable number.

565065564 is an abundant number, since it is smaller than the sum of its proper divisors (1007296164).

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

565065564 is a wasteful number, since it uses less digits than its factorization.

565065564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292514 (or 292512 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 42.

The square root of 565065564 is about 23771.1077571072. The cubic root of 565065564 is about 826.7349172607.

The spelling of 565065564 in words is "five hundred sixty-five million, sixty-five thousand, five hundred sixty-four".