53805685 has 8 divisors (see below), whose sum is σ = 66068640. Its totient is φ = 42043344.

The previous prime is 53805667. The next prime is 53805707. The reversal of 53805685 is 58650835.

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

It is a cyclic number.

It is not a de Polignac number, because 53805685 - 2¹⁷ = 53674613 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124915 + ... + 125344.

It is an arithmetic number, because the mean of its divisors is an integer number (8258580).

Almost surely, 2^53805685 is an apocalyptic number.

It is an amenable number.

53805685 is a deficient number, since it is larger than the sum of its proper divisors (12262955).

53805685 is a wasteful number, since it uses less digits than its factorization.

53805685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250307.

The product of its (nonzero) digits is 144000, while the sum is 40.

The square root of 53805685 is about 7335.2358516956. The cubic root of 53805685 is about 377.5223968116.

The spelling of 53805685 in words is "fifty-three million, eight hundred five thousand, six hundred eighty-five".