50505106823688 has 256 divisors, whose sum is σ = 141915302000640. Its totient is φ = 14849102643200.

The previous prime is 50505106823623. The next prime is 50505106823737. The reversal of 50505106823688 is 88632860150505.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 399765106 + ... + 399891422.

It is an arithmetic number, because the mean of its divisors is an integer number (554356648440).

Almost surely, 2^{50505106823688} 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 50505106823688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70957651000320).

50505106823688 is an abundant number, since it is smaller than the sum of its proper divisors (91410195176952).

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

50505106823688 is a wasteful number, since it uses less digits than its factorization.

50505106823688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126748 (or 126744 counting only the distinct ones).

The product of its (nonzero) digits is 13824000, while the sum is 57.

The spelling of 50505106823688 in words is "fifty trillion, five hundred five billion, one hundred six million, eight hundred twenty-three thousand, six hundred eighty-eight".