53212133 has 8 divisors (see below), whose sum is σ = 59797248. Its totient is φ = 46983024.

The previous prime is 53212079. The next prime is 53212139. The reversal of 53212133 is 33121235.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53212133 - 2¹⁴ = 53195749 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 (53212139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88685 + ... + 89282.

It is an arithmetic number, because the mean of its divisors is an integer number (7474656).

Almost surely, 2^53212133 is an apocalyptic number.

It is an amenable number.

53212133 is a deficient number, since it is larger than the sum of its proper divisors (6585115).

53212133 is a wasteful number, since it uses less digits than its factorization.

53212133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178003.

The product of its digits is 540, while the sum is 20.

The square root of 53212133 is about 7294.6646941446. The cubic root of 53212133 is about 376.1290605882.

Adding to 53212133 its reverse (33121235), we get a palindrome (86333368).

The spelling of 53212133 in words is "fifty-three million, two hundred twelve thousand, one hundred thirty-three".