53212333 has 4 divisors (see below), whose sum is σ = 53263548. Its totient is φ = 53161120.

The previous prime is 53212321. The next prime is 53212339. The reversal of 53212333 is 33321235.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 31561924 + 21650409 = 5618^2 + 4653^2 .

It is a cyclic number.

It is not a de Polignac number, because 53212333 - 2¹⁷ = 53081261 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53212339) 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, 24016 + ... + 26137.

It is an arithmetic number, because the mean of its divisors is an integer number (13315887).

Almost surely, 2^53212333 is an apocalyptic number.

It is an amenable number.

53212333 is a deficient number, since it is larger than the sum of its proper divisors (51215).

53212333 is a wasteful number, since it uses less digits than its factorization.

53212333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51214.

The product of its digits is 1620, while the sum is 22.

The square root of 53212333 is about 7294.6784027810. The cubic root of 53212333 is about 376.1295318198.

Adding to 53212333 its reverse (33321235), we get a palindrome (86533568).

The spelling of 53212333 in words is "fifty-three million, two hundred twelve thousand, three hundred thirty-three".