54351473722417 has 2 divisors, whose sum is σ = 54351473722418. Its totient is φ = 54351473722416.

The previous prime is 54351473722387. The next prime is 54351473722439. The reversal of 54351473722417 is 71422737415345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53277678312336 + 1073795410081 = 7299156^2 + 1036241^2 .

It is a cyclic number.

It is not a de Polignac number, because 54351473722417 - 2¹⁹ = 54351473198129 is a prime.

It is not a weakly prime, because it can be changed into another prime (54351473722457) 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, 27175736861208 + 27175736861209.

It is an arithmetic number, because the mean of its divisors is an integer number (27175736861209).

Almost surely, 2^{54351473722417} is an apocalyptic number.

It is an amenable number.

54351473722417 is a deficient number, since it is larger than the sum of its proper divisors (1).

54351473722417 is an equidigital number, since it uses as much as digits as its factorization.

54351473722417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19756800, while the sum is 55.

The spelling of 54351473722417 in words is "fifty-four trillion, three hundred fifty-one billion, four hundred seventy-three million, seven hundred twenty-two thousand, four hundred seventeen".