50556000320 has 224 divisors, whose sum is σ = 142418165760. Its totient is φ = 16727685120.

The previous prime is 50556000311. The next prime is 50556000331. The reversal of 50556000320 is 2300065505.

It is a tau number, because it is divible by the number of its divisors (224).

It is a self number, because there is not a number n which added to its sum of digits gives 50556000320.

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, 32427701 + ... + 32429259.

Almost surely, 2^50556000320 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 50556000320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71209082880).

50556000320 is an abundant number, since it is smaller than the sum of its proper divisors (91862165440).

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

50556000320 is a wasteful number, since it uses less digits than its factorization.

50556000320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2081 (or 2071 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 26.

Adding to 50556000320 its reverse (2300065505), we get a palindrome (52856065825).

The spelling of 50556000320 in words is "fifty billion, five hundred fifty-six million, three hundred twenty", and thus it is an aban number.