550441 has 2 divisors, whose sum is σ = 550442. Its totient is φ = 550440.

The previous prime is 550439. The next prime is 550447. The reversal of 550441 is 144055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 518400 + 32041 = 720^2 + 179^2 .

It is a cyclic number.

It is not a de Polignac number, because 550441 - 2¹ = 550439 is a prime.

Together with 550439, it forms a pair of twin primes.

550441 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (550447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275220 + 275221.

It is an arithmetic number, because the mean of its divisors is an integer number (275221).

2⁵⁵⁰⁴⁴¹ is an apocalyptic number.

It is an amenable number.

550441 is a deficient number, since it is larger than the sum of its proper divisors (1).

550441 is an equidigital number, since it uses as much as digits as its factorization.

550441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 550441 is about 741.9171112732. The cubic root of 550441 is about 81.9540194329.

Adding to 550441 its reverse (144055), we get a palindrome (694496).

The spelling of 550441 in words is "five hundred fifty thousand, four hundred forty-one".