54217 has 2 divisors, whose sum is σ = 54218. Its totient is φ = 54216.

The previous prime is 54193. The next prime is 54251. The reversal of 54217 is 71245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35721 + 18496 = 189^2 + 136^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54217 is a prime.

It is equal to p₅₅₁₈ and since 54217 and 5518 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 54194 and 54203.

It is not a weakly prime, because it can be changed into another prime (54277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27108 + 27109.

It is an arithmetic number, because the mean of its divisors is an integer number (27109).

2⁵⁴²¹⁷ is an apocalyptic number.

It is an amenable number.

54217 is a deficient number, since it is larger than the sum of its proper divisors (1).

54217 is an equidigital number, since it uses as much as digits as its factorization.

54217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 280, while the sum is 19.

The square root of 54217 is about 232.8454423003. The cubic root of 54217 is about 37.8481939891.

The spelling of 54217 in words is "fifty-four thousand, two hundred seventeen".