50791720320 has 384 divisors, whose sum is σ = 193253467680. Its totient is φ = 12189696000.

The previous prime is 50791720319. The next prime is 50791720339. The reversal of 50791720320 is 2302719705.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent 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, 6395392 + ... + 6403328.

Almost surely, 2^50791720320 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 50791720320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96626733840).

50791720320 is an abundant number, since it is smaller than the sum of its proper divisors (142461747360).

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

50791720320 is a wasteful number, since it uses less digits than its factorization.

50791720320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8074 (or 8059 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The spelling of 50791720320 in words is "fifty billion, seven hundred ninety-one million, seven hundred twenty thousand, three hundred twenty".