548456939 has 2 divisors, whose sum is σ = 548456940. Its totient is φ = 548456938.

The previous prime is 548456851. The next prime is 548456971. The reversal of 548456939 is 939654845.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 548456939 - 2⁸ = 548456683 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (548456989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274228469 + 274228470.

It is an arithmetic number, because the mean of its divisors is an integer number (274228470).

Almost surely, 2^548456939 is an apocalyptic number.

548456939 is a deficient number, since it is larger than the sum of its proper divisors (1).

548456939 is an equidigital number, since it uses as much as digits as its factorization.

548456939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4665600, while the sum is 53.

The square root of 548456939 is about 23419.1575211407. The cubic root of 548456939 is about 818.5543331041.

The spelling of 548456939 in words is "five hundred forty-eight million, four hundred fifty-six thousand, nine hundred thirty-nine".