5055222091 has 2 divisors, whose sum is σ = 5055222092. Its totient is φ = 5055222090.

The previous prime is 5055222089. The next prime is 5055222103. The reversal of 5055222091 is 1902225505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5055222091 - 2¹ = 5055222089 is a prime.

Together with 5055222089, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5055222031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2527611045 + 2527611046.

It is an arithmetic number, because the mean of its divisors is an integer number (2527611046).

Almost surely, 2^5055222091 is an apocalyptic number.

5055222091 is a deficient number, since it is larger than the sum of its proper divisors (1).

5055222091 is an equidigital number, since it uses as much as digits as its factorization.

5055222091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 5055222091 is about 71100.0850280786. The cubic root of 5055222091 is about 1716.2481419448.

Adding to 5055222091 its reverse (1902225505), we get a palindrome (6957447596).

The spelling of 5055222091 in words is "five billion, fifty-five million, two hundred twenty-two thousand, ninety-one".