54260205217 has 2 divisors, whose sum is σ = 54260205218. Its totient is φ = 54260205216.

The previous prime is 54260205179. The next prime is 54260205229. The reversal of 54260205217 is 71250206245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53356842081 + 903363136 = 230991^2 + 30056^2 .

It is a cyclic number.

It is not a de Polignac number, because 54260205217 - 2²³ = 54251816609 is a prime.

It is not a weakly prime, because it can be changed into another prime (54260205017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27130102608 + 27130102609.

It is an arithmetic number, because the mean of its divisors is an integer number (27130102609).

Almost surely, 2^54260205217 is an apocalyptic number.

It is an amenable number.

54260205217 is a deficient number, since it is larger than the sum of its proper divisors (1).

54260205217 is an equidigital number, since it uses as much as digits as its factorization.

54260205217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33600, while the sum is 34.

The spelling of 54260205217 in words is "fifty-four billion, two hundred sixty million, two hundred five thousand, two hundred seventeen".