54549917 has 2 divisors, whose sum is σ = 54549918. Its totient is φ = 54549916.

The previous prime is 54549881. The next prime is 54549919. The reversal of 54549917 is 71994545.

54549917 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54479161 + 70756 = 7381^2 + 266^2 .

It is a cyclic number.

It is not a de Polignac number, because 54549917 - 2¹⁴ = 54533533 is a prime.

Together with 54549919, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54549919) 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, 27274958 + 27274959.

It is an arithmetic number, because the mean of its divisors is an integer number (27274959).

Almost surely, 2^54549917 is an apocalyptic number.

It is an amenable number.

54549917 is a deficient number, since it is larger than the sum of its proper divisors (1).

54549917 is an equidigital number, since it uses as much as digits as its factorization.

54549917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 44.

The square root of 54549917 is about 7385.7915621821. The cubic root of 54549917 is about 379.2550433021.

The spelling of 54549917 in words is "fifty-four million, five hundred forty-nine thousand, nine hundred seventeen".