53865133 has 8 divisors (see below), whose sum is σ = 64800320. Its totient is φ = 43740000.

The previous prime is 53865131. The next prime is 53865169. The reversal of 53865133 is 33156835.

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 53865133 - 2¹ = 53865131 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 (53865131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202368 + ... + 202633.

It is an arithmetic number, because the mean of its divisors is an integer number (8100040).

Almost surely, 2^53865133 is an apocalyptic number.

It is an amenable number.

53865133 is a deficient number, since it is larger than the sum of its proper divisors (10935187).

53865133 is a wasteful number, since it uses less digits than its factorization.

53865133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405027.

The product of its digits is 32400, while the sum is 34.

The square root of 53865133 is about 7339.2869544664. The cubic root of 53865133 is about 377.6613826892.

The spelling of 53865133 in words is "fifty-three million, eight hundred sixty-five thousand, one hundred thirty-three".