5503551781229 has 2 divisors, whose sum is σ = 5503551781230. Its totient is φ = 5503551781228.

The previous prime is 5503551781177. The next prime is 5503551781283. The reversal of 5503551781229 is 9221871553055.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5503551781225 + 4 = 2345965^2 + 2^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5503551781229 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5503551771229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2751775890614 + 2751775890615.

It is an arithmetic number, because the mean of its divisors is an integer number (2751775890615).

Almost surely, 2^{5503551781229} is an apocalyptic number.

It is an amenable number.

5503551781229 is a deficient number, since it is larger than the sum of its proper divisors (1).

5503551781229 is an equidigital number, since it uses as much as digits as its factorization.

5503551781229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780000, while the sum is 53.

The spelling of 5503551781229 in words is "five trillion, five hundred three billion, five hundred fifty-one million, seven hundred eighty-one thousand, two hundred twenty-nine".