50017848138 has 48 divisors (see below), whose sum is σ = 112436347296. Its totient is φ = 16665114960.

The previous prime is 50017848131. The next prime is 50017848161. The reversal of 50017848138 is 83184871005.

It is a happy number.

50017848138 is a `hidden beast` number, since 500 + 1 + 7 + 8 + 4 + 8 + 138 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 50017848093 and 50017848102.

It is not an unprimeable number, because it can be changed into a prime (50017848131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1115745 + ... + 1159707.

It is an arithmetic number, because the mean of its divisors is an integer number (2342423902).

Almost surely, 2^50017848138 is an apocalyptic number.

50017848138 is an abundant number, since it is smaller than the sum of its proper divisors (62418499158).

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

50017848138 is a wasteful number, since it uses less digits than its factorization.

50017848138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46321 (or 46309 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The spelling of 50017848138 in words is "fifty billion, seventeen million, eight hundred forty-eight thousand, one hundred thirty-eight".