50694187680 has 288 divisors, whose sum is σ = 186279912000. Its totient is φ = 12507242496.

The previous prime is 50694187669. The next prime is 50694187681. The reversal of 50694187680 is 8678149605.

It is a tau number, because it is divible by the number of its divisors (288).

It is not an unprimeable number, because it can be changed into a prime (50694187681) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1426771 + ... + 1461869.

It is an arithmetic number, because the mean of its divisors is an integer number (646805250).

Almost surely, 2^50694187680 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 50694187680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93139956000).

50694187680 is an abundant number, since it is smaller than the sum of its proper divisors (135585724320).

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

50694187680 is a wasteful number, since it uses less digits than its factorization.

50694187680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35196 (or 35185 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 50694187680 in words is "fifty billion, six hundred ninety-four million, one hundred eighty-seven thousand, six hundred eighty".