500565520 has 160 divisors (see below), whose sum is σ = 1482405120. Its totient is φ = 152893440.

The previous prime is 500565517. The next prime is 500565521. The reversal of 500565520 is 25565005.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (500565521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209935 + ... + 212305.

It is an arithmetic number, because the mean of its divisors is an integer number (9265032).

Almost surely, 2^500565520 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 500565520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (741202560).

500565520 is an abundant number, since it is smaller than the sum of its proper divisors (981839600).

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

500565520 is a wasteful number, since it uses less digits than its factorization.

500565520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2433 (or 2427 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 500565520 is about 22373.3216130283. The cubic root of 500565520 is about 793.9996489201. Note that the first 3 decimals are identical.

The spelling of 500565520 in words is "five hundred million, five hundred sixty-five thousand, five hundred twenty".