550110811 has 2 divisors, whose sum is σ = 550110812. Its totient is φ = 550110810.

The previous prime is 550110793. The next prime is 550110823. The reversal of 550110811 is 118011055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 550110811 - 2²¹ = 548013659 is a prime.

It is not a weakly prime, because it can be changed into another prime (550110851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275055405 + 275055406.

It is an arithmetic number, because the mean of its divisors is an integer number (275055406).

Almost surely, 2^550110811 is an apocalyptic number.

550110811 is a deficient number, since it is larger than the sum of its proper divisors (1).

550110811 is an equidigital number, since it uses as much as digits as its factorization.

550110811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 200, while the sum is 22.

The square root of 550110811 is about 23454.4411785913. The cubic root of 550110811 is about 819.3762910326.

Adding to 550110811 its reverse (118011055), we get a palindrome (668121866).

The spelling of 550110811 in words is "five hundred fifty million, one hundred ten thousand, eight hundred eleven".