53493659 has 2 divisors, whose sum is σ = 53493660. Its totient is φ = 53493658.

The previous prime is 53493647. The next prime is 53493703. The reversal of 53493659 is 95639435.

It is an a-pointer prime, because the next prime (53493703) can be obtained adding 53493659 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53493659 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (53493619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26746829 + 26746830.

It is an arithmetic number, because the mean of its divisors is an integer number (26746830).

Almost surely, 2^53493659 is an apocalyptic number.

53493659 is a deficient number, since it is larger than the sum of its proper divisors (1).

53493659 is an equidigital number, since it uses as much as digits as its factorization.

53493659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 437400, while the sum is 44.

The square root of 53493659 is about 7313.9359444830. The cubic root of 53493659 is about 376.7912148058.

The spelling of 53493659 in words is "fifty-three million, four hundred ninety-three thousand, six hundred fifty-nine".