505715504 has 20 divisors (see below), whose sum is σ = 1119798864. Its totient is φ = 216735168.

The previous prime is 505715501. The next prime is 505715521. The reversal of 505715504 is 405517505.

It is not an unprimeable number, because it can be changed into a prime (505715501) 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, 2257547 + ... + 2257770.

Almost surely, 2^505715504 is an apocalyptic number.

It is an amenable number.

505715504 is an abundant number, since it is smaller than the sum of its proper divisors (614083360).

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

505715504 is a wasteful number, since it uses less digits than its factorization.

505715504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4515332 (or 4515326 counting only the distinct ones).

The product of its (nonzero) digits is 17500, while the sum is 32.

The square root of 505715504 is about 22488.1191743552. The cubic root of 505715504 is about 796.7133408305.

The spelling of 505715504 in words is "five hundred five million, seven hundred fifteen thousand, five hundred four".