50311242688 has 112 divisors (see below), whose sum is σ = 120907088640. Its totient is φ = 20277374976.

The previous prime is 50311242677. The next prime is 50311242713. The reversal of 50311242688 is 88624211305.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-3 number, since 3×50311242688³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 50311242688.

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, 15436003 + ... + 15439261.

Almost surely, 2^50311242688 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 50311242688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60453544320).

50311242688 is an abundant number, since it is smaller than the sum of its proper divisors (70595845952).

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

50311242688 is a wasteful number, since it uses less digits than its factorization.

50311242688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5322 (or 5312 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The spelling of 50311242688 in words is "fifty billion, three hundred eleven million, two hundred forty-two thousand, six hundred eighty-eight".