53668593 has 24 divisors (see below), whose sum is σ = 85964736. Its totient is φ = 31989600.

The previous prime is 53668577. The next prime is 53668613. The reversal of 53668593 is 39586635.

53668593 is a `hidden beast` number, since 53 + 6 + 6 + 8 + 593 = 666.

It is not a de Polignac number, because 53668593 - 2⁴ = 53668577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53668523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1596 + ... + 10482.

It is an arithmetic number, because the mean of its divisors is an integer number (3581864).

Almost surely, 2^53668593 is an apocalyptic number.

It is an amenable number.

53668593 is a deficient number, since it is larger than the sum of its proper divisors (32296143).

53668593 is a wasteful number, since it uses less digits than its factorization.

53668593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8965 (or 8962 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

The square root of 53668593 is about 7325.8851342346. The cubic root of 53668593 is about 377.2014931829.

The spelling of 53668593 in words is "fifty-three million, six hundred sixty-eight thousand, five hundred ninety-three".