550055003 has 2 divisors, whose sum is σ = 550055004. Its totient is φ = 550055002.

The previous prime is 550054991. The next prime is 550055017. The reversal of 550055003 is 300550055.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 550055003 - 2²² = 545860699 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 550055003.

It is not a weakly prime, because it can be changed into another prime (550055063) 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, 275027501 + 275027502.

It is an arithmetic number, because the mean of its divisors is an integer number (275027502).

Almost surely, 2^550055003 is an apocalyptic number.

550055003 is a deficient number, since it is larger than the sum of its proper divisors (1).

550055003 is an equidigital number, since it uses as much as digits as its factorization.

550055003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1875, while the sum is 23.

The square root of 550055003 is about 23453.2514377005. The cubic root of 550055003 is about 819.3485818889.

The spelling of 550055003 in words is "five hundred fifty million, fifty-five thousand, three".