50445 has 24 divisors (see below), whose sum is σ = 93600. Its totient is φ = 25056.

The previous prime is 50441. The next prime is 50459. The reversal of 50445 is 54405.

It is a happy number.

It is not a de Polignac number, because 50445 - 2² = 50441 is a prime.

50445 is a lucky number.

It is a plaindrome in base 11.

It is a nialpdrome in base 15.

It is a congruent 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 23 ways as a sum of consecutive naturals, for example, 826 + ... + 884.

It is an arithmetic number, because the mean of its divisors is an integer number (3900).

2⁵⁰⁴⁴⁵ is an apocalyptic number.

It is an amenable number.

50445 is a deficient number, since it is larger than the sum of its proper divisors (43155).

50445 is a wasteful number, since it uses less digits than its factorization.

50445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 50445 is about 224.5996438109. The cubic root of 50445 is about 36.9492852789.

The spelling of 50445 in words is "fifty thousand, four hundred forty-five".