50449 has 4 divisors (see below), whose sum is σ = 57664. Its totient is φ = 43236.

The previous prime is 50441. The next prime is 50459. The reversal of 50449 is 94405.

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 not a de Polignac number, because 50449 - 2³ = 50441 is a prime.

It is a Duffinian number.

50449 is a lucky number.

It is a plaindrome in base 14.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (50441) 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, 3597 + ... + 3610.

It is an arithmetic number, because the mean of its divisors is an integer number (14416).

2⁵⁰⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

50449 is a deficient number, since it is larger than the sum of its proper divisors (7215).

50449 is an equidigital number, since it uses as much as digits as its factorization.

50449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7214.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 50449 is about 224.6085483680. The cubic root of 50449 is about 36.9502618754.

Subtracting from 50449 its product of nonzero digits (720), we obtain a square (49729 = 223²).

Subtracting 50449 from its reverse (94405), we obtain a triangular number (43956 = T₂₉₆).

The spelling of 50449 in words is "fifty thousand, four hundred forty-nine".