50168388387 has 8 divisors (see below), whose sum is σ = 72036660304. Its totient is φ = 30872854368.

The previous prime is 50168388359. The next prime is 50168388421. The reversal of 50168388387 is 78388386105.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50168388387 - 2¹⁰ = 50168387363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50168388887) 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 7 ways as a sum of consecutive naturals, for example, 643184428 + ... + 643184505.

It is an arithmetic number, because the mean of its divisors is an integer number (9004582538).

Almost surely, 2^50168388387 is an apocalyptic number.

50168388387 is a deficient number, since it is larger than the sum of its proper divisors (21868271917).

50168388387 is a wasteful number, since it uses less digits than its factorization.

50168388387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286368949.

The product of its (nonzero) digits is 7741440, while the sum is 57.

The spelling of 50168388387 in words is "fifty billion, one hundred sixty-eight million, three hundred eighty-eight thousand, three hundred eighty-seven".