53326133 has 4 divisors (see below), whose sum is σ = 60944160. Its totient is φ = 45708108.

The previous prime is 53326079. The next prime is 53326193. The reversal of 53326133 is 33162335.

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, and also an emirpimes, since its reverse is a distinct semiprime: 33162335 = 5 ⋅6632467.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53326133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53326193) 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, 3809003 + ... + 3809016.

It is an arithmetic number, because the mean of its divisors is an integer number (15236040).

Almost surely, 2^53326133 is an apocalyptic number.

It is an amenable number.

53326133 is a deficient number, since it is larger than the sum of its proper divisors (7618027).

53326133 is an equidigital number, since it uses as much as digits as its factorization.

53326133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7618026.

The product of its digits is 4860, while the sum is 26.

The square root of 53326133 is about 7302.4744436390. The cubic root of 53326133 is about 376.3974713573.

Adding to 53326133 its reverse (33162335), we get a palindrome (86488468).

The spelling of 53326133 in words is "fifty-three million, three hundred twenty-six thousand, one hundred thirty-three".