50172009184 has 72 divisors (see below), whose sum is σ = 108866336040. Its totient is φ = 22743663360.

The previous prime is 50172009163. The next prime is 50172009187. The reversal of 50172009184 is 48190027105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50172009187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1426887 + ... + 1461625.

It is an arithmetic number, because the mean of its divisors is an integer number (1512032445).

Almost surely, 2^50172009184 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 50172009184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54433168020).

50172009184 is an abundant number, since it is smaller than the sum of its proper divisors (58694326856).

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

50172009184 is a wasteful number, since it uses less digits than its factorization.

50172009184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35144 (or 35125 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 37.

The spelling of 50172009184 in words is "fifty billion, one hundred seventy-two million, nine thousand, one hundred eighty-four".