50555550555100 has 72 divisors (see below), whose sum is σ = 110689308243360. Its totient is φ = 20040923105280.

The previous prime is 50555550555091. The next prime is 50555550555163. The reversal of 50555550555100 is 155505555505.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98200161 + ... + 98713639.

It is an arithmetic number, because the mean of its divisors is an integer number (1537351503380).

Almost surely, 2^{50555550555100} is an apocalyptic number.

50555550555100 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 50555550555100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55344654121680).

50555550555100 is an abundant number, since it is smaller than the sum of its proper divisors (60133757688260).

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

50555550555100 is a wasteful number, since it uses less digits than its factorization.

50555550555100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522319 (or 522312 counting only the distinct ones).

The product of its (nonzero) digits is 1953125, while the sum is 46.

The spelling of 50555550555100 in words is "fifty trillion, five hundred fifty-five billion, five hundred fifty million, five hundred fifty-five thousand, one hundred".