53508693 has 32 divisors (see below), whose sum is σ = 87321600. Its totient is φ = 28463616.

The previous prime is 53508691. The next prime is 53508703. The reversal of 53508693 is 39680535.

53508693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53508693 - 2¹ = 53508691 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53508691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22405 + ... + 24677.

It is an arithmetic number, because the mean of its divisors is an integer number (2728800).

Almost surely, 2^53508693 is an apocalyptic number.

It is an amenable number.

53508693 is a deficient number, since it is larger than the sum of its proper divisors (33812907).

53508693 is a wasteful number, since it uses less digits than its factorization.

53508693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2361.

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 53508693 is about 7314.9636362733. The cubic root of 53508693 is about 376.8265096341.

The spelling of 53508693 in words is "fifty-three million, five hundred eight thousand, six hundred ninety-three".