550707217 has 2 divisors, whose sum is σ = 550707218. Its totient is φ = 550707216.

The previous prime is 550707137. The next prime is 550707253. The reversal of 550707217 is 712707055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 430936081 + 119771136 = 20759^2 + 10944^2 .

It is a cyclic number.

It is not a de Polignac number, because 550707217 - 2⁷ = 550707089 is a prime.

It is not a weakly prime, because it can be changed into another prime (550707277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275353608 + 275353609.

It is an arithmetic number, because the mean of its divisors is an integer number (275353609).

Almost surely, 2^550707217 is an apocalyptic number.

It is an amenable number.

550707217 is a deficient number, since it is larger than the sum of its proper divisors (1).

550707217 is an equidigital number, since it uses as much as digits as its factorization.

550707217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17150, while the sum is 34.

The square root of 550707217 is about 23467.1518723513. The cubic root of 550707217 is about 819.6722946926.

The spelling of 550707217 in words is "five hundred fifty million, seven hundred seven thousand, two hundred seventeen".