53333303 has 4 divisors (see below), whose sum is σ = 53526120. Its totient is φ = 53140488.

The previous prime is 53333281. The next prime is 53333311. The reversal of 53333303 is 30333335.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53333303 - 2⁶ = 53333239 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 (53333363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95993 + ... + 96546.

It is an arithmetic number, because the mean of its divisors is an integer number (13381530).

Almost surely, 2^53333303 is an apocalyptic number.

53333303 is a deficient number, since it is larger than the sum of its proper divisors (192817).

53333303 is a wasteful number, since it uses less digits than its factorization.

53333303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192816.

The product of its (nonzero) digits is 3645, while the sum is 23.

The square root of 53333303 is about 7302.9653566206. The cubic root of 53333303 is about 376.4143401905.

Adding to 53333303 its reverse (30333335), we get a palindrome (83666638).

The spelling of 53333303 in words is "fifty-three million, three hundred thirty-three thousand, three hundred three".