50561105100 has 72 divisors (see below), whose sum is σ = 159589243968. Its totient is φ = 12257236800.

The previous prime is 50561105081. The next prime is 50561105123. The reversal of 50561105100 is 150116505.

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, 7657474 + ... + 7664073.

Almost surely, 2^50561105100 is an apocalyptic number.

50561105100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

50561105100 is an abundant number, since it is smaller than the sum of its proper divisors (109028138868).

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

50561105100 is a wasteful number, since it uses less digits than its factorization.

50561105100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15321575 (or 15321568 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 24.

The spelling of 50561105100 in words is "fifty billion, five hundred sixty-one million, one hundred five thousand, one hundred".