550028911 has 2 divisors, whose sum is σ = 550028912. Its totient is φ = 550028910.

The previous prime is 550028909. The next prime is 550028951. The reversal of 550028911 is 119820055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 550028911 - 2¹ = 550028909 is a prime.

Together with 550028909, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550028951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275014455 + 275014456.

It is an arithmetic number, because the mean of its divisors is an integer number (275014456).

Almost surely, 2^550028911 is an apocalyptic number.

550028911 is a deficient number, since it is larger than the sum of its proper divisors (1).

550028911 is an equidigital number, since it uses as much as digits as its factorization.

550028911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 31.

The square root of 550028911 is about 23452.6951756083. The cubic root of 550028911 is about 819.3356263474.

Adding to 550028911 its reverse (119820055), we get a palindrome (669848966).

The spelling of 550028911 in words is "five hundred fifty million, twenty-eight thousand, nine hundred eleven".