550065667 has 2 divisors, whose sum is σ = 550065668. Its totient is φ = 550065666.

The previous prime is 550065653. The next prime is 550065679. The reversal of 550065667 is 766560055.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550065667 is a prime.

It is not a weakly prime, because it can be changed into another prime (550065647) 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, 275032833 + 275032834.

It is an arithmetic number, because the mean of its divisors is an integer number (275032834).

Almost surely, 2^550065667 is an apocalyptic number.

550065667 is a deficient number, since it is larger than the sum of its proper divisors (1).

550065667 is an equidigital number, since it uses as much as digits as its factorization.

550065667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 189000, while the sum is 40.

The square root of 550065667 is about 23453.4787824749. The cubic root of 550065667 is about 819.3538767999.

The spelling of 550065667 in words is "five hundred fifty million, sixty-five thousand, six hundred sixty-seven".