550050050009 has 2 divisors, whose sum is σ = 550050050010. Its totient is φ = 550050050008.

The previous prime is 550050050003. The next prime is 550050050023. The reversal of 550050050009 is 900050050055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 545825440000 + 4224610009 = 738800^2 + 64997^2 .

It is a cyclic number.

It is not a de Polignac number, because 550050050009 - 2⁸ = 550050049753 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (550050050003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275025025004 + 275025025005.

It is an arithmetic number, because the mean of its divisors is an integer number (275025025005).

Almost surely, 2^550050050009 is an apocalyptic number.

It is an amenable number.

550050050009 is a deficient number, since it is larger than the sum of its proper divisors (1).

550050050009 is an equidigital number, since it uses as much as digits as its factorization.

550050050009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5625, while the sum is 29.

The spelling of 550050050009 in words is "five hundred fifty billion, fifty million, fifty thousand, nine".