53986614217 has 2 divisors, whose sum is σ = 53986614218. Its totient is φ = 53986614216.

The previous prime is 53986614169. The next prime is 53986614257. The reversal of 53986614217 is 71241668935.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41185049481 + 12801564736 = 202941^2 + 113144^2 .

It is a cyclic number.

It is not a de Polignac number, because 53986614217 - 2¹⁹ = 53986089929 is a prime.

It is not a weakly prime, because it can be changed into another prime (53986614257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26993307108 + 26993307109.

It is an arithmetic number, because the mean of its divisors is an integer number (26993307109).

Almost surely, 2^53986614217 is an apocalyptic number.

It is an amenable number.

53986614217 is a deficient number, since it is larger than the sum of its proper divisors (1).

53986614217 is an equidigital number, since it uses as much as digits as its factorization.

53986614217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 52.

The spelling of 53986614217 in words is "fifty-three billion, nine hundred eighty-six million, six hundred fourteen thousand, two hundred seventeen".