54480817 has 2 divisors, whose sum is σ = 54480818. Its totient is φ = 54480816.

The previous prime is 54480799. The next prime is 54480851. The reversal of 54480817 is 71808445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51208336 + 3272481 = 7156^2 + 1809^2 .

It is a cyclic number.

It is not a de Polignac number, because 54480817 - 2¹⁵ = 54448049 is a prime.

It is not a weakly prime, because it can be changed into another prime (54480887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27240408 + 27240409.

It is an arithmetic number, because the mean of its divisors is an integer number (27240409).

Almost surely, 2^54480817 is an apocalyptic number.

It is an amenable number.

54480817 is a deficient number, since it is larger than the sum of its proper divisors (1).

54480817 is an equidigital number, since it uses as much as digits as its factorization.

54480817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 54480817 is about 7381.1121790690. The cubic root of 54480817 is about 379.0948377616.

The spelling of 54480817 in words is "fifty-four million, four hundred eighty thousand, eight hundred seventeen".