550944 has 36 divisors (see below), whose sum is σ = 1567566. Its totient is φ = 183552.

The previous prime is 550939. The next prime is 550951. The reversal of 550944 is 449055.

It can be written as a sum of positive squares in only one way, i.e., 374544 + 176400 = 612^2 + 420^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×550944² = 607078582272, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 550944.

It is an unprimeable number.

550944 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 669 + ... + 1244.

2⁵⁵⁰⁹⁴⁴ is an apocalyptic number.

It is an amenable number.

550944 is an abundant number, since it is smaller than the sum of its proper divisors (1016622).

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

550944 is a wasteful number, since it uses less digits than its factorization.

550944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1929 (or 1918 counting only the distinct ones).

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

The square root of 550944 is about 742.2560205212. The cubic root of 550944 is about 81.9789753752.

Adding to 550944 its reverse (449055), we get a palindrome (999999).

The spelling of 550944 in words is "five hundred fifty thousand, nine hundred forty-four".