50555555556 has 96 divisors (see below), whose sum is σ = 130035870720. Its totient is φ = 15160080000.

The previous prime is 50555555549. The next prime is 50555555569. The reversal of 50555555556 is 65555555505.

50555555556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 50555555499 and 50555555508.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5196865 + ... + 5206583.

It is an arithmetic number, because the mean of its divisors is an integer number (1354540320).

Almost surely, 2^50555555556 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 50555555556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65017935360).

50555555556 is an abundant number, since it is smaller than the sum of its proper divisors (79480315164).

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

50555555556 is a wasteful number, since it uses less digits than its factorization.

50555555556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10145 (or 10143 counting only the distinct ones).

The product of its (nonzero) digits is 11718750, while the sum is 51.

Subtracting from 50555555556 its sum of digits (51), we obtain a palindrome (50555555505).

The spelling of 50555555556 in words is "fifty billion, five hundred fifty-five million, five hundred fifty-five thousand, five hundred fifty-six".