55026317 has 2 divisors, whose sum is σ = 55026318. Its totient is φ = 55026316.

The previous prime is 55026313. The next prime is 55026319. The reversal of 55026317 is 71362055.

55026317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48846121 + 6180196 = 6989^2 + 2486^2 .

It is a cyclic number.

It is not a de Polignac number, because 55026317 - 2² = 55026313 is a prime.

Together with 55026319, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55026317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55026313) 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, 27513158 + 27513159.

It is an arithmetic number, because the mean of its divisors is an integer number (27513159).

Almost surely, 2^55026317 is an apocalyptic number.

It is an amenable number.

55026317 is a deficient number, since it is larger than the sum of its proper divisors (1).

55026317 is an equidigital number, since it uses as much as digits as its factorization.

55026317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 55026317 is about 7417.9725666788. The cubic root of 55026317 is about 380.3558923436.

The spelling of 55026317 in words is "fifty-five million, twenty-six thousand, three hundred seventeen".