50347817520 has 1200 divisors, whose sum is σ = 219664369152. Its totient is φ = 9451653120.

The previous prime is 50347817497. The next prime is 50347817573. The reversal of 50347817520 is 2571874305.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 1071230137 + ... + 1071230183.

Almost surely, 2^50347817520 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 50347817520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109832184576).

50347817520 is an abundant number, since it is smaller than the sum of its proper divisors (169316551632).

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

50347817520 is a wasteful number, since it uses less digits than its factorization.

50347817520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 42.

The spelling of 50347817520 in words is "fifty billion, three hundred forty-seven million, eight hundred seventeen thousand, five hundred twenty".