53905279 has 2 divisors, whose sum is σ = 53905280. Its totient is φ = 53905278.

The previous prime is 53905217. The next prime is 53905297. The reversal of 53905279 is 97250935.

Together with next prime (53905297) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53905279 - 2¹¹ = 53903231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53900279) 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, 26952639 + 26952640.

It is an arithmetic number, because the mean of its divisors is an integer number (26952640).

Almost surely, 2^53905279 is an apocalyptic number.

53905279 is a deficient number, since it is larger than the sum of its proper divisors (1).

53905279 is an equidigital number, since it uses as much as digits as its factorization.

53905279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 85050, while the sum is 40.

The square root of 53905279 is about 7342.0214518891. The cubic root of 53905279 is about 377.7551838051.

The spelling of 53905279 in words is "fifty-three million, nine hundred five thousand, two hundred seventy-nine".