50189017 has 4 divisors (see below), whose sum is σ = 50225616. Its totient is φ = 50152420.

The previous prime is 50188993. The next prime is 50189047. The reversal of 50189017 is 71098105.

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-50189017 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50189017.

It is not an unprimeable number, because it can be changed into a prime (50189047) 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, 16159 + ... + 19012.

It is an arithmetic number, because the mean of its divisors is an integer number (12556404).

Almost surely, 2^50189017 is an apocalyptic number.

It is an amenable number.

50189017 is a deficient number, since it is larger than the sum of its proper divisors (36599).

50189017 is a wasteful number, since it uses less digits than its factorization.

50189017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36598.

The product of its (nonzero) digits is 2520, while the sum is 31.

The square root of 50189017 is about 7084.4207243782. The cubic root of 50189017 is about 368.8667958286.

The spelling of 50189017 in words is "fifty million, one hundred eighty-nine thousand, seventeen".