50515547328 has 168 divisors, whose sum is σ = 153448298640. Its totient is φ = 15833825280.

The previous prime is 50515547309. The next prime is 50515547339. The reversal of 50515547328 is 82374551505.

50515547328 is a `hidden beast` number, since 5 + 0 + 5 + 1 + 554 + 73 + 28 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18495723 + ... + 18498453.

It is an arithmetic number, because the mean of its divisors is an integer number (913382730).

Almost surely, 2^50515547328 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 50515547328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76724149320).

50515547328 is an abundant number, since it is smaller than the sum of its proper divisors (102932751312).

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

50515547328 is a wasteful number, since it uses less digits than its factorization.

50515547328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4655 (or 4642 counting only the distinct ones).

The product of its (nonzero) digits is 840000, while the sum is 45.

The spelling of 50515547328 in words is "fifty billion, five hundred fifteen million, five hundred forty-seven thousand, three hundred twenty-eight".