50115322992 has 160 divisors (see below), whose sum is σ = 159232379904. Its totient is φ = 13255372800.

The previous prime is 50115322981. The next prime is 50115322997. The reversal of 50115322992 is 29922351105.

It is a self number, because there is not a number n which added to its sum of digits gives 50115322992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50115322997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 276517 + ... + 420347.

Almost surely, 2^50115322992 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 50115322992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79616189952).

50115322992 is an abundant number, since it is smaller than the sum of its proper divisors (109117056912).

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

50115322992 is a wasteful number, since it uses less digits than its factorization.

50115322992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143927 (or 143921 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 39.

The spelling of 50115322992 in words is "fifty billion, one hundred fifteen million, three hundred twenty-two thousand, nine hundred ninety-two".