50138191 has 8 divisors (see below), whose sum is σ = 52103168. Its totient is φ = 48195000.

The previous prime is 50138189. The next prime is 50138197. The reversal of 50138191 is 19183105.

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

It is a cyclic number.

It is not a de Polignac number, because 50138191 - 2¹ = 50138189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50138197) 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, 675 + ... + 10036.

It is an arithmetic number, because the mean of its divisors is an integer number (6512896).

Almost surely, 2^50138191 is an apocalyptic number.

50138191 is a deficient number, since it is larger than the sum of its proper divisors (1964977).

50138191 is a wasteful number, since it uses less digits than its factorization.

50138191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10893.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 50138191 is about 7080.8326487780. The cubic root of 50138191 is about 368.7422376610.

The spelling of 50138191 in words is "fifty million, one hundred thirty-eight thousand, one hundred ninety-one".