55204032616517 has 2 divisors, whose sum is σ = 55204032616518. Its totient is φ = 55204032616516.

The previous prime is 55204032616409. The next prime is 55204032616531. The reversal of 55204032616517 is 71561623040255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33805026295681 + 21399006320836 = 5814209^2 + 4625906^2 .

It is a cyclic number.

It is not a de Polignac number, because 55204032616517 - 2⁸ = 55204032616261 is a prime.

It is a super-2 number, since 2×55204032616517² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55204032613517) 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, 27602016308258 + 27602016308259.

It is an arithmetic number, because the mean of its divisors is an integer number (27602016308259).

Almost surely, 2^{55204032616517} is an apocalyptic number.

It is an amenable number.

55204032616517 is a deficient number, since it is larger than the sum of its proper divisors (1).

55204032616517 is an equidigital number, since it uses as much as digits as its factorization.

55204032616517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512000, while the sum is 47.

The spelling of 55204032616517 in words is "fifty-five trillion, two hundred four billion, thirty-two million, six hundred sixteen thousand, five hundred seventeen".