505055000556 has 72 divisors (see below), whose sum is σ = 1287172583424. Its totient is φ = 166967226720.

The previous prime is 505055000533. The next prime is 505055000561. The reversal of 505055000556 is 655000550505.

505055000556 is a `hidden beast` number, since 5 + 0 + 50 + 5 + 50 + 0 + 0 + 556 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 505055000556.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14077561 + ... + 14113391.

It is an arithmetic number, because the mean of its divisors is an integer number (17877396992).

Almost surely, 2^505055000556 is an apocalyptic number.

It is an amenable number.

505055000556 is an abundant number, since it is smaller than the sum of its proper divisors (782117582868).

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

505055000556 is a wasteful number, since it uses less digits than its factorization.

505055000556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39051 (or 39046 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 36.

The spelling of 505055000556 in words is "five hundred five billion, fifty-five million, five hundred fifty-six", and thus it is an aban number.