50686498716 has 96 divisors (see below), whose sum is σ = 143458076160. Its totient is φ = 13597292544.

The previous prime is 50686498673. The next prime is 50686498763. The reversal of 50686498716 is 61789468605.

It is a self number, because there is not a number n which added to its sum of digits gives 50686498716.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 555976 + ... + 640688.

It is an arithmetic number, because the mean of its divisors is an integer number (1494354960).

Almost surely, 2^50686498716 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 50686498716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71729038080).

50686498716 is an abundant number, since it is smaller than the sum of its proper divisors (92771577444).

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

50686498716 is a wasteful number, since it uses less digits than its factorization.

50686498716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85163 (or 85161 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 60.

The spelling of 50686498716 in words is "fifty billion, six hundred eighty-six million, four hundred ninety-eight thousand, seven hundred sixteen".