54644632146217 has 2 divisors, whose sum is σ = 54644632146218. Its totient is φ = 54644632146216.

The previous prime is 54644632146191. The next prime is 54644632146277. The reversal of 54644632146217 is 71264123644645.

54644632146217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27416648960281 + 27227983185936 = 5236091^2 + 5218044^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54644632146217 is a prime.

It is a super-2 number, since 2×54644632146217² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54644632146277) 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, 27322316073108 + 27322316073109.

It is an arithmetic number, because the mean of its divisors is an integer number (27322316073109).

Almost surely, 2^{54644632146217} is an apocalyptic number.

It is an amenable number.

54644632146217 is a deficient number, since it is larger than the sum of its proper divisors (1).

54644632146217 is an equidigital number, since it uses as much as digits as its factorization.

54644632146217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23224320, while the sum is 55.

The spelling of 54644632146217 in words is "fifty-four trillion, six hundred forty-four billion, six hundred thirty-two million, one hundred forty-six thousand, two hundred seventeen".