55306512227 has 2 divisors, whose sum is σ = 55306512228. Its totient is φ = 55306512226.

The previous prime is 55306512211. The next prime is 55306512269. The reversal of 55306512227 is 72221560355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55306512227 - 2⁴ = 55306512211 is a prime.

It is not a weakly prime, because it can be changed into another prime (55306515227) 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, 27653256113 + 27653256114.

It is an arithmetic number, because the mean of its divisors is an integer number (27653256114).

Almost surely, 2^55306512227 is an apocalyptic number.

55306512227 is a deficient number, since it is larger than the sum of its proper divisors (1).

55306512227 is an equidigital number, since it uses as much as digits as its factorization.

55306512227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126000, while the sum is 38.

The spelling of 55306512227 in words is "fifty-five billion, three hundred six million, five hundred twelve thousand, two hundred twenty-seven".