500550055056 has 160 divisors (see below), whose sum is σ = 1499658301440. Its totient is φ = 159550300800.

The previous prime is 500550055051. The next prime is 500550055123. The reversal of 500550055056 is 650550055005.

500550055056 is a `hidden beast` number, since 5 + 0 + 0 + 5 + 50 + 0 + 550 + 56 = 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 500550055056.

It is not an unprimeable number, because it can be changed into a prime (500550055051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61708441 + ... + 61716551.

It is an arithmetic number, because the mean of its divisors is an integer number (9372864384).

Almost surely, 2^500550055056 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 500550055056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (749829150720).

500550055056 is an abundant number, since it is smaller than the sum of its proper divisors (999108246384).

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

500550055056 is a wasteful number, since it uses less digits than its factorization.

500550055056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14362 (or 14350 counting only the distinct ones).

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

The spelling of 500550055056 in words is "five hundred billion, five hundred fifty million, fifty-five thousand, fifty-six".