564504 has 32 divisors (see below), whose sum is σ = 1446720. Its totient is φ = 183456.

The previous prime is 564497. The next prime is 564523. The reversal of 564504 is 405465.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 759 + ... + 1305.

It is an arithmetic number, because the mean of its divisors is an integer number (45210).

2⁵⁶⁴⁵⁰⁴ 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 564504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (723360).

564504 is an abundant number, since it is smaller than the sum of its proper divisors (882216).

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

564504 is a wasteful number, since it uses less digits than its factorization.

564504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599 (or 595 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 564504 is about 751.3348121843. The cubic root of 564504 is about 82.6460955867.

Adding to 564504 its reverse (405465), we get a palindrome (969969).

It can be divided in two parts, 56 and 4504, that added together give a triangular number (4560 = T₉₅).

The spelling of 564504 in words is "five hundred sixty-four thousand, five hundred four".