53685727 has 8 divisors (see below), whose sum is σ = 54698112. Its totient is φ = 52680600.

The previous prime is 53685721. The next prime is 53685739. The reversal of 53685727 is 72758635.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53685727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53685721) 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 in 7 ways as a sum of consecutive naturals, for example, 14452 + ... + 17782.

It is an arithmetic number, because the mean of its divisors is an integer number (6837264).

Almost surely, 2^53685727 is an apocalyptic number.

53685727 is a deficient number, since it is larger than the sum of its proper divisors (1012385).

53685727 is a wasteful number, since it uses less digits than its factorization.

53685727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3629.

The product of its digits is 352800, while the sum is 43.

The square root of 53685727 is about 7327.0544559188. The cubic root of 53685727 is about 377.2416301442.

The spelling of 53685727 in words is "fifty-three million, six hundred eighty-five thousand, seven hundred twenty-seven".