505550050056 has 128 divisors (see below), whose sum is σ = 1410398438400. Its totient is φ = 167786657280.

The previous prime is 505550050007. The next prime is 505550050069. The reversal of 505550050056 is 650050055505.

505550050056 is a `hidden beast` number, since 5 + 0 + 5 + 550 + 0 + 50 + 0 + 56 = 666.

It is a super-2 number, since 2×505550050056² (a number of 24 digits) contains 22 as substring.

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 505550050056.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83600425 + ... + 83606471.

It is an arithmetic number, because the mean of its divisors is an integer number (11018737800).

Almost surely, 2^505550050056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505550050056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (705199219200).

505550050056 is an abundant number, since it is smaller than the sum of its proper divisors (904848388344).

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

505550050056 is a wasteful number, since it uses less digits than its factorization.

505550050056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7676 (or 7666 counting only the distinct ones).

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

The spelling of 505550050056 in words is "five hundred five billion, five hundred fifty million, fifty thousand, fifty-six".