550000441 has 2 divisors, whose sum is σ = 550000442. Its totient is φ = 550000440.

The previous prime is 550000427. The next prime is 550000447. The reversal of 550000441 is 144000055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 527161600 + 22838841 = 22960^2 + 4779^2 .

It is a cyclic number.

It is not a de Polignac number, because 550000441 - 2¹³ = 549992249 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (550000447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275000220 + 275000221.

It is an arithmetic number, because the mean of its divisors is an integer number (275000221).

Almost surely, 2^550000441 is an apocalyptic number.

It is an amenable number.

550000441 is a deficient number, since it is larger than the sum of its proper divisors (1).

550000441 is an equidigital number, since it uses as much as digits as its factorization.

550000441 is an odious number, because the sum of its binary digits is odd.

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

The square root of 550000441 is about 23452.0882012669. The cubic root of 550000441 is about 819.3214895828.

Adding to 550000441 its reverse (144000055), we get a palindrome (694000496).

The spelling of 550000441 in words is "five hundred fifty million, four hundred forty-one", and thus it is an aban number.