55026817 has 2 divisors, whose sum is σ = 55026818. Its totient is φ = 55026816.

The previous prime is 55026781. The next prime is 55026827. The reversal of 55026817 is 71862055.

Together with previous prime (55026781) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47320641 + 7706176 = 6879^2 + 2776^2 .

It is a cyclic number.

It is not a de Polignac number, because 55026817 - 2⁷ = 55026689 is a prime.

It is not a weakly prime, because it can be changed into another prime (55026827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27513408 + 27513409.

It is an arithmetic number, because the mean of its divisors is an integer number (27513409).

Almost surely, 2^55026817 is an apocalyptic number.

It is an amenable number.

55026817 is a deficient number, since it is larger than the sum of its proper divisors (1).

55026817 is an equidigital number, since it uses as much as digits as its factorization.

55026817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 55026817 is about 7418.0062685333. The cubic root of 55026817 is about 380.3570443825.

The spelling of 55026817 in words is "fifty-five million, twenty-six thousand, eight hundred seventeen".