55663120033 has 2 divisors, whose sum is σ = 55663120034. Its totient is φ = 55663120032.

The previous prime is 55663119979. The next prime is 55663120049. The reversal of 55663120033 is 33002136655.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46402329744 + 9260790289 = 215412^2 + 96233^2 .

It is a cyclic number.

It is not a de Polignac number, because 55663120033 - 2¹⁷ = 55662988961 is a prime.

It is not a weakly prime, because it can be changed into another prime (55663120133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27831560016 + 27831560017.

It is an arithmetic number, because the mean of its divisors is an integer number (27831560017).

Almost surely, 2^55663120033 is an apocalyptic number.

It is an amenable number.

55663120033 is a deficient number, since it is larger than the sum of its proper divisors (1).

55663120033 is an equidigital number, since it uses as much as digits as its factorization.

55663120033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600, while the sum is 34.

Adding to 55663120033 its reverse (33002136655), we get a palindrome (88665256688).

The spelling of 55663120033 in words is "fifty-five billion, six hundred sixty-three million, one hundred twenty thousand, thirty-three".