505352520 has 96 divisors (see below), whose sum is σ = 1703257920. Its totient is φ = 134758080.

The previous prime is 505352503. The next prime is 505352563. The reversal of 505352520 is 25253505.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 16276 + ... + 35715.

It is an arithmetic number, because the mean of its divisors is an integer number (17742270).

Almost surely, 2^505352520 is an apocalyptic number.

It is an amenable number.

505352520 is an abundant number, since it is smaller than the sum of its proper divisors (1197905400).

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

505352520 is a wasteful number, since it uses less digits than its factorization.

505352520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52017 (or 52001 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 505352520 is about 22480.0471529755. The cubic root of 505352520 is about 796.5226780226.

The spelling of 505352520 in words is "five hundred five million, three hundred fifty-two thousand, five hundred twenty".