53587439 has 2 divisors, whose sum is σ = 53587440. Its totient is φ = 53587438.

The previous prime is 53587427. The next prime is 53587441. The reversal of 53587439 is 93478535.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53587439 - 2⁴ = 53587423 is a prime.

It is a super-2 number, since 2×53587439² = 5743227237157442, which contains 22 as substring.

Together with 53587441, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53587439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53587489) 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, 26793719 + 26793720.

It is an arithmetic number, because the mean of its divisors is an integer number (26793720).

Almost surely, 2^53587439 is an apocalyptic number.

53587439 is a deficient number, since it is larger than the sum of its proper divisors (1).

53587439 is an equidigital number, since it uses as much as digits as its factorization.

53587439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453600, while the sum is 44.

The square root of 53587439 is about 7320.3441858973. The cubic root of 53587439 is about 377.0112711136.

The spelling of 53587439 in words is "fifty-three million, five hundred eighty-seven thousand, four hundred thirty-nine".