50354135520 has 192 divisors, whose sum is σ = 178244043264. Its totient is φ = 11855923200.

The previous prime is 50354135519. The next prime is 50354135539. The reversal of 50354135520 is 2553145305.

It is a happy number.

50354135520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31906 + ... + 318945.

It is an arithmetic number, because the mean of its divisors is an integer number (928354392).

Almost surely, 2^50354135520 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 50354135520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89122021632).

50354135520 is an abundant number, since it is smaller than the sum of its proper divisors (127889907744).

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

50354135520 is a wasteful number, since it uses less digits than its factorization.

50354135520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350905 (or 350897 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 33.

The spelling of 50354135520 in words is "fifty billion, three hundred fifty-four million, one hundred thirty-five thousand, five hundred twenty".