550327649 has 2 divisors, whose sum is σ = 550327650. Its totient is φ = 550327648.

The previous prime is 550327537. The next prime is 550327681. The reversal of 550327649 is 946723055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 546063424 + 4264225 = 23368^2 + 2065^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550327649 is a prime.

It is not a weakly prime, because it can be changed into another prime (550327849) 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, 275163824 + 275163825.

It is an arithmetic number, because the mean of its divisors is an integer number (275163825).

Almost surely, 2^550327649 is an apocalyptic number.

It is an amenable number.

550327649 is a deficient number, since it is larger than the sum of its proper divisors (1).

550327649 is an equidigital number, since it uses as much as digits as its factorization.

550327649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 41.

The square root of 550327649 is about 23459.0632592182. The cubic root of 550327649 is about 819.4839351492.

The spelling of 550327649 in words is "five hundred fifty million, three hundred twenty-seven thousand, six hundred forty-nine".