53659559 has 2 divisors, whose sum is σ = 53659560. Its totient is φ = 53659558.

The previous prime is 53659547. The next prime is 53659561. The reversal of 53659559 is 95595635.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53659559 - 2¹² = 53655463 is a prime.

Together with 53659561, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53659579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26829779 + 26829780.

It is an arithmetic number, because the mean of its divisors is an integer number (26829780).

Almost surely, 2^53659559 is an apocalyptic number.

53659559 is a deficient number, since it is larger than the sum of its proper divisors (1).

53659559 is an equidigital number, since it uses as much as digits as its factorization.

53659559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 911250, while the sum is 47.

The square root of 53659559 is about 7325.2685275012. The cubic root of 53659559 is about 377.1803272997.

The spelling of 53659559 in words is "fifty-three million, six hundred fifty-nine thousand, five hundred fifty-nine".