55241717 has 2 divisors, whose sum is σ = 55241718. Its totient is φ = 55241716.

The previous prime is 55241671. The next prime is 55241731. The reversal of 55241717 is 71714255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44542276 + 10699441 = 6674^2 + 3271^2 .

It is a cyclic number.

It is not a de Polignac number, because 55241717 - 2¹⁰ = 55240693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55241117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27620858 + 27620859.

It is an arithmetic number, because the mean of its divisors is an integer number (27620859).

Almost surely, 2^55241717 is an apocalyptic number.

It is an amenable number.

55241717 is a deficient number, since it is larger than the sum of its proper divisors (1).

55241717 is an equidigital number, since it uses as much as digits as its factorization.

55241717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9800, while the sum is 32.

The square root of 55241717 is about 7432.4771778997. The cubic root of 55241717 is about 380.8515460148.

The spelling of 55241717 in words is "fifty-five million, two hundred forty-one thousand, seven hundred seventeen".