55653317 has 2 divisors, whose sum is σ = 55653318. Its totient is φ = 55653316.

The previous prime is 55653293. The next prime is 55653319. The reversal of 55653317 is 71335655.

55653317 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., 54671236 + 982081 = 7394^2 + 991^2 .

It is a cyclic number.

It is not a de Polignac number, because 55653317 - 2⁸ = 55653061 is a prime.

Together with 55653319, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55653319) 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, 27826658 + 27826659.

It is an arithmetic number, because the mean of its divisors is an integer number (27826659).

Almost surely, 2^55653317 is an apocalyptic number.

It is an amenable number.

55653317 is a deficient number, since it is larger than the sum of its proper divisors (1).

55653317 is an equidigital number, since it uses as much as digits as its factorization.

55653317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47250, while the sum is 35.

The square root of 55653317 is about 7460.1150795413. The cubic root of 55653317 is about 381.7951008638.

The spelling of 55653317 in words is "fifty-five million, six hundred fifty-three thousand, three hundred seventeen".