505518792 has 16 divisors (see below), whose sum is σ = 1263797040. Its totient is φ = 168506256.

The previous prime is 505518791. The next prime is 505518799. The reversal of 505518792 is 297815505.

It is not an unprimeable number, because it can be changed into a prime (505518791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10531618 + ... + 10531665.

It is an arithmetic number, because the mean of its divisors is an integer number (78987315).

Almost surely, 2^505518792 is an apocalyptic number.

It is an amenable number.

505518792 is an abundant number, since it is smaller than the sum of its proper divisors (758278248).

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

505518792 is a wasteful number, since it uses less digits than its factorization.

505518792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21063292 (or 21063288 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 42.

The square root of 505518792 is about 22483.7450617107. The cubic root of 505518792 is about 796.6100262208.

The spelling of 505518792 in words is "five hundred five million, five hundred eighteen thousand, seven hundred ninety-two".