54843149 has 2 divisors, whose sum is σ = 54843150. Its totient is φ = 54843148.

The previous prime is 54843133. The next prime is 54843157. The reversal of 54843149 is 94134845.

54843149 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., 34140649 + 20702500 = 5843^2 + 4550^2 .

It is a cyclic number.

It is not a de Polignac number, because 54843149 - 2⁴ = 54843133 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54843119) 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, 27421574 + 27421575.

It is an arithmetic number, because the mean of its divisors is an integer number (27421575).

Almost surely, 2^54843149 is an apocalyptic number.

It is an amenable number.

54843149 is a deficient number, since it is larger than the sum of its proper divisors (1).

54843149 is an equidigital number, since it uses as much as digits as its factorization.

54843149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 38.

The square root of 54843149 is about 7405.6160445975. The cubic root of 54843149 is about 379.9333886012.

The spelling of 54843149 in words is "fifty-four million, eight hundred forty-three thousand, one hundred forty-nine".