50185 has 4 divisors (see below), whose sum is σ = 60228. Its totient is φ = 40144.
The previous prime is 50177. The next prime is 50207. The reversal of 50185 is 58105.
50185 is nontrivially palindromic in base 6.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58105 = 5 ⋅11621.
It can be written as a sum of positive squares in 2 ways, for example, as 17424 + 32761 = 132^2 + 181^2 .
It is a cyclic number.
It is not a de Polignac number, because 50185 - 23 = 50177 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
50185 is a modest number, since divided by 185 gives 50 as remainder.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5014 + ... + 5023.
It is an arithmetic number, because the mean of its divisors is an integer number (15057).
250185 is an apocalyptic number.
It is an amenable number.
50185 is a deficient number, since it is larger than the sum of its proper divisors (10043).
50185 is a wasteful number, since it uses less digits than its factorization.
50185 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10042.
The product of its (nonzero) digits is 200, while the sum is 19.
The square root of 50185 is about 224.0200883849. The cubic root of 50185 is about 36.8856954516.
The spelling of 50185 in words is "fifty thousand, one hundred eighty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.001 sec. • engine limits •