550044013 has 2 divisors, whose sum is σ = 550044014. Its totient is φ = 550044012.

The previous prime is 550044007. The next prime is 550044041. The reversal of 550044013 is 310440055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 374693449 + 175350564 = 19357^2 + 13242^2 .

It is a cyclic number.

It is not a de Polignac number, because 550044013 - 2⁵ = 550043981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550044113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275022006 + 275022007.

It is an arithmetic number, because the mean of its divisors is an integer number (275022007).

Almost surely, 2^550044013 is an apocalyptic number.

It is an amenable number.

550044013 is a deficient number, since it is larger than the sum of its proper divisors (1).

550044013 is an equidigital number, since it uses as much as digits as its factorization.

550044013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 550044013 is about 23453.0171406580. The cubic root of 550044013 is about 819.3431250402.

Adding to 550044013 its reverse (310440055), we get a palindrome (860484068).

The spelling of 550044013 in words is "five hundred fifty million, forty-four thousand, thirteen".