53333685 has 24 divisors (see below), whose sum is σ = 93046200. Its totient is φ = 28259712.

The previous prime is 53333677. The next prime is 53333713. The reversal of 53333685 is 58633335.

It can be written as a sum of positive squares in 4 ways, for example, as 8054244 + 45279441 = 2838^2 + 6729^2 .

It is not a de Polignac number, because 53333685 - 2³ = 53333677 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3291 + ... + 10839.

It is an arithmetic number, because the mean of its divisors is an integer number (3876925).

Almost surely, 2^53333685 is an apocalyptic number.

It is an amenable number.

53333685 is a deficient number, since it is larger than the sum of its proper divisors (39712515).

53333685 is a wasteful number, since it uses less digits than its factorization.

53333685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7717 (or 7714 counting only the distinct ones).

The product of its digits is 97200, while the sum is 36.

The square root of 53333685 is about 7302.9915103333. The cubic root of 53333685 is about 376.4152388781.

The spelling of 53333685 in words is "fifty-three million, three hundred thirty-three thousand, six hundred eighty-five".