550449 has 32 divisors (see below), whose sum is σ = 912000. Its totient is φ = 326592.

The previous prime is 550447. The next prime is 550457. The reversal of 550449 is 944055.

550449 is nontrivially palindromic in base 7.

It is not a de Polignac number, because 550449 - 2¹ = 550447 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a plaindrome in base 12.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14859 + ... + 14895.

It is an arithmetic number, because the mean of its divisors is an integer number (28500).

2⁵⁵⁰⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

550449 is a deficient number, since it is larger than the sum of its proper divisors (361551).

550449 is a wasteful number, since it uses less digits than its factorization.

550449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 550449 is about 741.9225026915. The cubic root of 550449 is about 81.9544164655.

It can be divided in two parts, 550 and 449, that added together give a palindrome (999).

The spelling of 550449 in words is "five hundred fifty thousand, four hundred forty-nine".