50505550100 has 18 divisors (see below), whose sum is σ = 109597043934. Its totient is φ = 20202220000.

The previous prime is 50505550013. The next prime is 50505550133. The reversal of 50505550100 is 105550505.

It can be written as a sum of positive squares in 3 ways, for example, as 3599520016 + 46906030084 = 59996^2 + 216578^2 .

It is a super-2 number, since 2×50505550100² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50505550100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 252527651 + ... + 252527850.

It is an arithmetic number, because the mean of its divisors is an integer number (6088724663).

Almost surely, 2^50505550100 is an apocalyptic number.

50505550100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

50505550100 is an abundant number, since it is smaller than the sum of its proper divisors (59091493834).

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

50505550100 is a wasteful number, since it uses less digits than its factorization.

50505550100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505055515 (or 505055508 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 26.

The spelling of 50505550100 in words is "fifty billion, five hundred five million, five hundred fifty thousand, one hundred".