50845 has 4 divisors (see below), whose sum is σ = 61020. Its totient is φ = 40672.

The previous prime is 50839. The next prime is 50849. The reversal of 50845 is 54805.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34969 + 15876 = 187^2 + 126^2 .

It is a cyclic number.

It is not a de Polignac number, because 50845 - 2⁹ = 50333 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

50845 is a lucky number.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5080 + ... + 5089.

It is an arithmetic number, because the mean of its divisors is an integer number (15255).

2⁵⁰⁸⁴⁵ is an apocalyptic number.

It is an amenable number.

50845 is a deficient number, since it is larger than the sum of its proper divisors (10175).

50845 is a wasteful number, since it uses less digits than its factorization.

50845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10174.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 50845 is about 225.4883589013. The cubic root of 50845 is about 37.0466905084.

The spelling of 50845 in words is "fifty thousand, eight hundred forty-five".