54001172405417 has 2 divisors, whose sum is σ = 54001172405418. Its totient is φ = 54001172405416.

The previous prime is 54001172405407. The next prime is 54001172405449. The reversal of 54001172405417 is 71450427110045.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54001172405401 + 16 = 7348549^2 + 4^2 .

It is a cyclic number.

It is not a de Polignac number, because 54001172405417 - 2⁶ = 54001172405353 is a prime.

It is a super-2 number, since 2×54001172405417² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54001172405407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27000586202708 + 27000586202709.

It is an arithmetic number, because the mean of its divisors is an integer number (27000586202709).

Almost surely, 2^{54001172405417} is an apocalyptic number.

It is an amenable number.

54001172405417 is a deficient number, since it is larger than the sum of its proper divisors (1).

54001172405417 is an equidigital number, since it uses as much as digits as its factorization.

54001172405417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 156800, while the sum is 41.

The spelling of 54001172405417 in words is "fifty-four trillion, one billion, one hundred seventy-two million, four hundred five thousand, four hundred seventeen".