50638137691848 has 32 divisors (see below), whose sum is σ = 144680393405760. Its totient is φ = 14468039340480.

The previous prime is 50638137691847. The next prime is 50638137691961. The reversal of 50638137691848 is 84819673183605.

It is not an unprimeable number, because it can be changed into a prime (50638137691847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150708742963 + ... + 150708743298.

It is an arithmetic number, because the mean of its divisors is an integer number (4521262293930).

Almost surely, 2^{50638137691848} is an apocalyptic number.

It is an amenable number.

50638137691848 is an abundant number, since it is smaller than the sum of its proper divisors (94042255713912).

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

50638137691848 is a wasteful number, since it uses less digits than its factorization.

50638137691848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301417486277 (or 301417486273 counting only the distinct ones).

The product of its (nonzero) digits is 209018880, while the sum is 69.

The spelling of 50638137691848 in words is "fifty trillion, six hundred thirty-eight billion, one hundred thirty-seven million, six hundred ninety-one thousand, eight hundred forty-eight".