55298317 has 2 divisors, whose sum is σ = 55298318. Its totient is φ = 55298316.

The previous prime is 55298293. The next prime is 55298329. The reversal of 55298317 is 71389255.

55298317 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., 38700841 + 16597476 = 6221^2 + 4074^2 .

It is a cyclic number.

It is not a de Polignac number, because 55298317 - 2¹⁹ = 54774029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55298317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55298357) 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, 27649158 + 27649159.

It is an arithmetic number, because the mean of its divisors is an integer number (27649159).

Almost surely, 2^55298317 is an apocalyptic number.

It is an amenable number.

55298317 is a deficient number, since it is larger than the sum of its proper divisors (1).

55298317 is an equidigital number, since it uses as much as digits as its factorization.

55298317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 40.

The square root of 55298317 is about 7436.2838165309. The cubic root of 55298317 is about 380.9815735905.

The spelling of 55298317 in words is "fifty-five million, two hundred ninety-eight thousand, three hundred seventeen".