53385233 has 4 divisors (see below), whose sum is σ = 58238448. Its totient is φ = 48532020.

The previous prime is 53385229. The next prime is 53385263. The reversal of 53385233 is 33258335.

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 a cyclic number.

It is not a de Polignac number, because 53385233 - 2² = 53385229 is a prime.

It is a super-3 number, since 3×53385233³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 53385233.

It is not an unprimeable number, because it can be changed into a prime (53385263) 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, 2426591 + ... + 2426612.

It is an arithmetic number, because the mean of its divisors is an integer number (14559612).

Almost surely, 2^53385233 is an apocalyptic number.

It is an amenable number.

53385233 is a deficient number, since it is larger than the sum of its proper divisors (4853215).

53385233 is a wasteful number, since it uses less digits than its factorization.

53385233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4853214.

The product of its digits is 32400, while the sum is 32.

The square root of 53385233 is about 7306.5198966403. The cubic root of 53385233 is about 376.5364706089.

The spelling of 53385233 in words is "fifty-three million, three hundred eighty-five thousand, two hundred thirty-three".