550221041 has 2 divisors, whose sum is σ = 550221042. Its totient is φ = 550221040.

The previous prime is 550221029. The next prime is 550221047. The reversal of 550221041 is 140122055.

550221041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 489692641 + 60528400 = 22129^2 + 7780^2 .

It is a cyclic number.

It is not a de Polignac number, because 550221041 - 2⁶ = 550220977 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (550221047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275110520 + 275110521.

It is an arithmetic number, because the mean of its divisors is an integer number (275110521).

Almost surely, 2^550221041 is an apocalyptic number.

It is an amenable number.

550221041 is a deficient number, since it is larger than the sum of its proper divisors (1).

550221041 is an equidigital number, since it uses as much as digits as its factorization.

550221041 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 20.

The square root of 550221041 is about 23456.7909356757. The cubic root of 550221041 is about 819.4310156534.

Adding to 550221041 its reverse (140122055), we get a palindrome (690343096).

The spelling of 550221041 in words is "five hundred fifty million, two hundred twenty-one thousand, forty-one".