50561516100 has 36 divisors (see below), whose sum is σ = 146291320784. Its totient is φ = 13483070880.

The previous prime is 50561516099. The next prime is 50561516107. The reversal of 50561516100 is 161516505.

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

It is not an unprimeable number, because it can be changed into a prime (50561516107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84268894 + ... + 84269493.

Almost surely, 2^50561516100 is an apocalyptic number.

50561516100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

50561516100 is an abundant number, since it is smaller than the sum of its proper divisors (95729804684).

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

50561516100 is a wasteful number, since it uses less digits than its factorization.

50561516100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168538404 (or 168538397 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 50561516100 in words is "fifty billion, five hundred sixty-one million, five hundred sixteen thousand, one hundred".