55541136505489 has 2 divisors, whose sum is σ = 55541136505490. Its totient is φ = 55541136505488.

The previous prime is 55541136505373. The next prime is 55541136505501. The reversal of 55541136505489 is 98450563114555.

55541136505489 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., 40818145432464 + 14722991073025 = 6388908^2 + 3837055^2 .

It is a cyclic number.

It is not a de Polignac number, because 55541136505489 - 2²¹ = 55541134408337 is a prime.

It is not a weakly prime, because it can be changed into another prime (55541136505189) 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, 27770568252744 + 27770568252745.

It is an arithmetic number, because the mean of its divisors is an integer number (27770568252745).

Almost surely, 2^{55541136505489} is an apocalyptic number.

It is an amenable number.

55541136505489 is a deficient number, since it is larger than the sum of its proper divisors (1).

55541136505489 is an equidigital number, since it uses as much as digits as its factorization.

55541136505489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800000, while the sum is 61.

The spelling of 55541136505489 in words is "fifty-five trillion, five hundred forty-one billion, one hundred thirty-six million, five hundred five thousand, four hundred eighty-nine".