555500201 has 2 divisors, whose sum is σ = 555500202. Its totient is φ = 555500200.

The previous prime is 555500173. The next prime is 555500213. The reversal of 555500201 is 102005555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 547794025 + 7706176 = 23405^2 + 2776^2 .

It is a cyclic number.

It is not a de Polignac number, because 555500201 - 2⁶ = 555500137 is a prime.

It is a super-2 number, since 2×555500201² = 617160946622080802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (555550201) 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, 277750100 + 277750101.

It is an arithmetic number, because the mean of its divisors is an integer number (277750101).

Almost surely, 2^555500201 is an apocalyptic number.

It is an amenable number.

555500201 is a deficient number, since it is larger than the sum of its proper divisors (1).

555500201 is an equidigital number, since it uses as much as digits as its factorization.

555500201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1250, while the sum is 23.

The square root of 555500201 is about 23569.0517628521. The cubic root of 555500201 is about 822.0433873220.

Adding to 555500201 its reverse (102005555), we get a palindrome (657505756).

The spelling of 555500201 in words is "five hundred fifty-five million, five hundred thousand, two hundred one".