54538217 has 2 divisors, whose sum is σ = 54538218. Its totient is φ = 54538216.

The previous prime is 54538213. The next prime is 54538223. The reversal of 54538217 is 71283545.

It is a happy number.

54538217 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., 44903401 + 9634816 = 6701^2 + 3104^2 .

It is a cyclic number.

It is not a de Polignac number, because 54538217 - 2² = 54538213 is a prime.

It is a super-2 number, since 2×54538217² = 5948834227078178, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54538213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27269108 + 27269109.

It is an arithmetic number, because the mean of its divisors is an integer number (27269109).

Almost surely, 2^54538217 is an apocalyptic number.

It is an amenable number.

54538217 is a deficient number, since it is larger than the sum of its proper divisors (1).

54538217 is an equidigital number, since it uses as much as digits as its factorization.

54538217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33600, while the sum is 35.

The square root of 54538217 is about 7384.9994583615. Note that the first 3 decimals coincide. The cubic root of 54538217 is about 379.2279268460.

The spelling of 54538217 in words is "fifty-four million, five hundred thirty-eight thousand, two hundred seventeen".