50000189 has 4 divisors (see below), whose sum is σ = 50056224. Its totient is φ = 49944156.

The previous prime is 50000161. The next prime is 50000201. The reversal of 50000189 is 98100005.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50000189 is a prime.

It is a Duffinian number.

50000189 is a modest number, since divided by 189 gives 50 as remainder.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50000389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26657 + ... + 28470.

It is an arithmetic number, because the mean of its divisors is an integer number (12514056).

Almost surely, 2^50000189 is an apocalyptic number.

It is an amenable number.

50000189 is a deficient number, since it is larger than the sum of its proper divisors (56035).

50000189 is an equidigital number, since it uses as much as digits as its factorization.

50000189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56034.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 50000189 is about 7071.0811761710. The cubic root of 50000189 is about 368.4036140514.

The spelling of 50000189 in words is "fifty million, one hundred eighty-nine", and thus it is an aban number.