54276809 has 2 divisors, whose sum is σ = 54276810. Its totient is φ = 54276808.

The previous prime is 54276791. The next prime is 54276821. The reversal of 54276809 is 90867245.

54276809 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., 51437584 + 2839225 = 7172^2 + 1685^2 .

It is a cyclic number.

It is not a de Polignac number, because 54276809 - 2¹⁶ = 54211273 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54276839) 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, 27138404 + 27138405.

It is an arithmetic number, because the mean of its divisors is an integer number (27138405).

Almost surely, 2^54276809 is an apocalyptic number.

It is an amenable number.

54276809 is a deficient number, since it is larger than the sum of its proper divisors (1).

54276809 is an equidigital number, since it uses as much as digits as its factorization.

54276809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 54276809 is about 7367.2796200497. The cubic root of 54276809 is about 378.6210617391.

The spelling of 54276809 in words is "fifty-four million, two hundred seventy-six thousand, eight hundred nine".