53330133 has 4 divisors (see below), whose sum is σ = 71106848. Its totient is φ = 35553420.

The previous prime is 53330129. The next prime is 53330143. The reversal of 53330133 is 33103335.

53330133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 53330133 - 2² = 53330129 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 (53330113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8888353 + ... + 8888358.

It is an arithmetic number, because the mean of its divisors is an integer number (17776712).

Almost surely, 2^53330133 is an apocalyptic number.

It is an amenable number.

53330133 is a deficient number, since it is larger than the sum of its proper divisors (17776715).

53330133 is a wasteful number, since it uses less digits than its factorization.

53330133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17776714.

The product of its (nonzero) digits is 1215, while the sum is 21.

The square root of 53330133 is about 7302.7483182703. The cubic root of 53330133 is about 376.4068823294.

Adding to 53330133 its reverse (33103335), we get a palindrome (86433468).

The spelling of 53330133 in words is "fifty-three million, three hundred thirty thousand, one hundred thirty-three".