550446 has 16 divisors (see below), whose sum is σ = 1185744. Its totient is φ = 169344.

The previous prime is 550441. The next prime is 550447. The reversal of 550446 is 644055.

It is a Curzon number.

It is a plaindrome in base 12.

It is a zygodrome in base 12.

It is a congruent number.

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

550446 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3451 + ... + 3606.

It is an arithmetic number, because the mean of its divisors is an integer number (74109).

2⁵⁵⁰⁴⁴⁶ is an apocalyptic number.

550446 is an abundant number, since it is smaller than the sum of its proper divisors (635298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550446 is a wasteful number, since it uses less digits than its factorization.

550446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7075.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 550446 is about 741.9204809142. The cubic root of 550446 is about 81.9542675787.

The spelling of 550446 in words is "five hundred fifty thousand, four hundred forty-six".