50443 has 4 divisors (see below), whose sum is σ = 51208. Its totient is φ = 49680.

The previous prime is 50441. The next prime is 50459. The reversal of 50443 is 34405.

50443 is nontrivially palindromic in base 9.

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

It is a cyclic number.

It is not a de Polignac number, because 50443 - 2¹ = 50441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273 + ... + 418.

It is an arithmetic number, because the mean of its divisors is an integer number (12802).

2⁵⁰⁴⁴³ is an apocalyptic number.

50443 is a deficient number, since it is larger than the sum of its proper divisors (765).

50443 is an equidigital number, since it uses as much as digits as its factorization.

50443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 50443 is about 224.5951914000. The cubic root of 50443 is about 36.9487969613.

Adding to 50443 its reverse (34405), we get a palindrome (84848).

The spelling of 50443 in words is "fifty thousand, four hundred forty-three".