50791081152 has 224 divisors, whose sum is σ = 163011916800. Its totient is φ = 13624934400.

The previous prime is 50791081097. The next prime is 50791081157. The reversal of 50791081152 is 25118019705.

It is a tau number, because it is divible by the number of its divisors (224).

It is a self number, because there is not a number n which added to its sum of digits gives 50791081152.

It is not an unprimeable number, because it can be changed into a prime (50791081157) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10256277 + ... + 10261227.

Almost surely, 2^50791081152 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 50791081152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81505958400).

50791081152 is an abundant number, since it is smaller than the sum of its proper divisors (112220835648).

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

50791081152 is a wasteful number, since it uses less digits than its factorization.

50791081152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5439 (or 5429 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 39.

The spelling of 50791081152 in words is "fifty billion, seven hundred ninety-one million, eighty-one thousand, one hundred fifty-two".