551110201 has 2 divisors, whose sum is σ = 551110202. Its totient is φ = 551110200.

The previous prime is 551110177. The next prime is 551110211. The reversal of 551110201 is 102011155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 345216400 + 205893801 = 18580^2 + 14349^2 .

It is a cyclic number.

It is not a de Polignac number, because 551110201 - 2⁷ = 551110073 is a prime.

It is not a weakly prime, because it can be changed into another prime (551110211) 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, 275555100 + 275555101.

It is an arithmetic number, because the mean of its divisors is an integer number (275555101).

Almost surely, 2^551110201 is an apocalyptic number.

It is an amenable number.

551110201 is a deficient number, since it is larger than the sum of its proper divisors (1).

551110201 is an equidigital number, since it uses as much as digits as its factorization.

551110201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50, while the sum is 16.

The square root of 551110201 is about 23475.7364314732. The cubic root of 551110201 is about 819.8721796602.

Adding to 551110201 its reverse (102011155), we get a palindrome (653121356).

The spelling of 551110201 in words is "five hundred fifty-one million, one hundred ten thousand, two hundred one".