550344 has 32 divisors (see below), whose sum is σ = 1437120. Its totient is φ = 175296.

The previous prime is 550337. The next prime is 550351. The reversal of 550344 is 443055.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (550337) and next prime (550351).

It is a self number, because there is not a number n which added to its sum of digits gives 550344.

It is an unprimeable number.

550344 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, 54 + ... + 1050.

It is an arithmetic number, because the mean of its divisors is an integer number (44910).

2⁵⁵⁰³⁴⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (718560).

550344 is an abundant number, since it is smaller than the sum of its proper divisors (886776).

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

550344 is a wasteful number, since it uses less digits than its factorization.

550344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029 (or 1025 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 550344 is about 741.8517372090. The cubic root of 550344 is about 81.9492051071.

Adding to 550344 its reverse (443055), we get a palindrome (993399).

The spelling of 550344 in words is "five hundred fifty thousand, three hundred forty-four".