50011516506 has 96 divisors (see below), whose sum is σ = 120610321920. Its totient is φ = 13770086400.

The previous prime is 50011516433. The next prime is 50011516517. The reversal of 50011516506 is 60561511005.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2185090 + ... + 2207858.

It is an arithmetic number, because the mean of its divisors is an integer number (1256357520).

Almost surely, 2^50011516506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50011516506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60305160960).

50011516506 is an abundant number, since it is smaller than the sum of its proper divisors (70598805414).

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

50011516506 is a wasteful number, since it uses less digits than its factorization.

50011516506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23060 (or 23053 counting only the distinct ones).

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

The spelling of 50011516506 in words is "fifty billion, eleven million, five hundred sixteen thousand, five hundred six".