53285313 has 4 divisors (see below), whose sum is σ = 71047088. Its totient is φ = 35523540.

The previous prime is 53285237. The next prime is 53285317. The reversal of 53285313 is 31358235.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 53285313 - 2⁹ = 53284801 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53285317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8880883 + ... + 8880888.

It is an arithmetic number, because the mean of its divisors is an integer number (17761772).

Almost surely, 2^53285313 is an apocalyptic number.

It is an amenable number.

53285313 is a deficient number, since it is larger than the sum of its proper divisors (17761775).

53285313 is a wasteful number, since it uses less digits than its factorization.

53285313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17761774.

The product of its digits is 10800, while the sum is 30.

The square root of 53285313 is about 7299.6789655436. The cubic root of 53285313 is about 376.3014054700.

The spelling of 53285313 in words is "fifty-three million, two hundred eighty-five thousand, three hundred thirteen".