505510056 has 48 divisors (see below), whose sum is σ = 1413260160. Its totient is φ = 163067040.

The previous prime is 505510037. The next prime is 505510069. The reversal of 505510056 is 650015505.

505510056 is a `hidden beast` number, since 505 + 5 + 100 + 56 = 666.

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 11 ways as a sum of consecutive naturals, for example, 111010 + ... + 115473.

It is an arithmetic number, because the mean of its divisors is an integer number (29442920).

Almost surely, 2^505510056 is an apocalyptic number.

It is an amenable number.

505510056 is an abundant number, since it is smaller than the sum of its proper divisors (907750104).

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

505510056 is a wasteful number, since it uses less digits than its factorization.

505510056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226526 (or 226519 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 505510056 is about 22483.5507871866. The cubic root of 505510056 is about 796.6054373869.

The spelling of 505510056 in words is "five hundred five million, five hundred ten thousand, fifty-six".