550009907 has 2 divisors, whose sum is σ = 550009908. Its totient is φ = 550009906.

The previous prime is 550009897. The next prime is 550009909. The reversal of 550009907 is 709900055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 550009907 - 2¹⁰ = 550008883 is a prime.

It is a super-3 number, since 3×550009907³ (a number of 27 digits) contains 333 as substring.

Together with 550009909, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (550009909) 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, 275004953 + 275004954.

It is an arithmetic number, because the mean of its divisors is an integer number (275004954).

Almost surely, 2^550009907 is an apocalyptic number.

550009907 is a deficient number, since it is larger than the sum of its proper divisors (1).

550009907 is an equidigital number, since it uses as much as digits as its factorization.

550009907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14175, while the sum is 35.

The square root of 550009907 is about 23452.2900161157. The cubic root of 550009907 is about 819.3261899746.

The spelling of 550009907 in words is "five hundred fifty million, nine thousand, nine hundred seven".