50144521984 has 144 divisors (see below), whose sum is σ = 106983777600. Its totient is φ = 23405690880.

The previous prime is 50144521949. The next prime is 50144522017. The reversal of 50144521984 is 48912544105.

It is a self number, because there is not a number n which added to its sum of digits gives 50144521984.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 53515564 + ... + 53516500.

It is an arithmetic number, because the mean of its divisors is an integer number (742942900).

Almost surely, 2^50144521984 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 50144521984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53491888800).

50144521984 is an abundant number, since it is smaller than the sum of its proper divisors (56839255616).

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

50144521984 is a wasteful number, since it uses less digits than its factorization.

50144521984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186 (or 1172 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 43.

The spelling of 50144521984 in words is "fifty billion, one hundred forty-four million, five hundred twenty-one thousand, nine hundred eighty-four".