55663241 has 2 divisors, whose sum is σ = 55663242. Its totient is φ = 55663240.

The previous prime is 55663229. The next prime is 55663291. The reversal of 55663241 is 14236655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55056400 + 606841 = 7420^2 + 779^2 .

It is a cyclic number.

It is not a de Polignac number, because 55663241 - 2¹⁸ = 55401097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55663198 and 55663207.

It is not a weakly prime, because it can be changed into another prime (55663291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27831620 + 27831621.

It is an arithmetic number, because the mean of its divisors is an integer number (27831621).

Almost surely, 2^55663241 is an apocalyptic number.

It is an amenable number.

55663241 is a deficient number, since it is larger than the sum of its proper divisors (1).

55663241 is an equidigital number, since it uses as much as digits as its factorization.

55663241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 32.

The square root of 55663241 is about 7460.7801870850. The cubic root of 55663241 is about 381.8177931883.

Adding to 55663241 its reverse (14236655), we get a palindrome (69899896).

The spelling of 55663241 in words is "fifty-five million, six hundred sixty-three thousand, two hundred forty-one".