53303333 has 4 divisors (see below), whose sum is σ = 53491968. Its totient is φ = 53114700.

The previous prime is 53303323. The next prime is 53303357. The reversal of 53303333 is 33330335.

It is a happy number.

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 53303333 - 2⁴ = 53303317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53303299 and 53303308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53303323) 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, 93893 + ... + 94458.

It is an arithmetic number, because the mean of its divisors is an integer number (13372992).

Almost surely, 2^53303333 is an apocalyptic number.

It is an amenable number.

53303333 is a deficient number, since it is larger than the sum of its proper divisors (188635).

53303333 is a wasteful number, since it uses less digits than its factorization.

53303333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188634.

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

The square root of 53303333 is about 7300.9131620640. The cubic root of 53303333 is about 376.3438198283.

Adding to 53303333 its reverse (33330335), we get a palindrome (86633668).

The spelling of 53303333 in words is "fifty-three million, three hundred three thousand, three hundred thirty-three".