55306512211 has 2 divisors, whose sum is σ = 55306512212. Its totient is φ = 55306512210.

The previous prime is 55306512169. The next prime is 55306512227. The reversal of 55306512211 is 11221560355.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55306512211 - 2²³ = 55298123603 is a prime.

It is not a weakly prime, because it can be changed into another prime (55306542211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27653256105 + 27653256106.

It is an arithmetic number, because the mean of its divisors is an integer number (27653256106).

Almost surely, 2^55306512211 is an apocalyptic number.

55306512211 is a deficient number, since it is larger than the sum of its proper divisors (1).

55306512211 is an equidigital number, since it uses as much as digits as its factorization.

55306512211 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 55306512211 in words is "fifty-five billion, three hundred six million, five hundred twelve thousand, two hundred eleven".