55332317 has 2 divisors, whose sum is σ = 55332318. Its totient is φ = 55332316.

The previous prime is 55332287. The next prime is 55332323. The reversal of 55332317 is 71323355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48288601 + 7043716 = 6949^2 + 2654^2 .

It is a cyclic number.

It is not a de Polignac number, because 55332317 - 2⁶ = 55332253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55332317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55332517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27666158 + 27666159.

It is an arithmetic number, because the mean of its divisors is an integer number (27666159).

Almost surely, 2^55332317 is an apocalyptic number.

It is an amenable number.

55332317 is a deficient number, since it is larger than the sum of its proper divisors (1).

55332317 is an equidigital number, since it uses as much as digits as its factorization.

55332317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9450, while the sum is 29.

The square root of 55332317 is about 7438.5695533483. The cubic root of 55332317 is about 381.0596393758.

The spelling of 55332317 in words is "fifty-five million, three hundred thirty-two thousand, three hundred seventeen".