50555550000 has 480 divisors, whose sum is σ = 170737072128. Its totient is φ = 12880000000.

The previous prime is 50555549963. The next prime is 50555550109. The reversal of 50555550000 is 5555505.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a self number, because there is not a number n which added to its sum of digits gives 50555550000.

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 95 ways as a sum of consecutive naturals, for example, 500549950 + ... + 500550050.

Almost surely, 2^50555550000 is an apocalyptic number.

50555550000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50555550000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85368536064).

50555550000 is an abundant number, since it is smaller than the sum of its proper divisors (120181522128).

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

50555550000 is a wasteful number, since it uses less digits than its factorization.

50555550000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 15625, while the sum is 30.

It can be divided in two parts, 505555 and 50000, that added together give a palindrome (555555).

The spelling of 50555550000 in words is "fifty billion, five hundred fifty-five million, five hundred fifty thousand".