50421961216 has 80 divisors (see below), whose sum is σ = 110018101248. Its totient is φ = 22895308800.

The previous prime is 50421961141. The next prime is 50421961217. The reversal of 50421961216 is 61216912405.

It is not an unprimeable number, because it can be changed into a prime (50421961217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6151681 + ... + 6159871.

Almost surely, 2^50421961216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50421961216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55009050624).

50421961216 is an abundant number, since it is smaller than the sum of its proper divisors (59596140032).

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

50421961216 is a wasteful number, since it uses less digits than its factorization.

50421961216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9313 (or 9297 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 50421961216 in words is "fifty billion, four hundred twenty-one million, nine hundred sixty-one thousand, two hundred sixteen".