55226117 has 2 divisors, whose sum is σ = 55226118. Its totient is φ = 55226116.

The previous prime is 55226113. The next prime is 55226161. The reversal of 55226117 is 71162255.

55226117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30316036 + 24910081 = 5506^2 + 4991^2 .

It is a cyclic number.

It is not a de Polignac number, because 55226117 - 2² = 55226113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55226117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55226113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27613058 + 27613059.

It is an arithmetic number, because the mean of its divisors is an integer number (27613059).

Almost surely, 2^55226117 is an apocalyptic number.

It is an amenable number.

55226117 is a deficient number, since it is larger than the sum of its proper divisors (1).

55226117 is an equidigital number, since it uses as much as digits as its factorization.

55226117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4200, while the sum is 29.

The square root of 55226117 is about 7431.4276555720. The cubic root of 55226117 is about 380.8156924136.

The spelling of 55226117 in words is "fifty-five million, two hundred twenty-six thousand, one hundred seventeen".