53646133 has 4 divisors (see below), whose sum is σ = 53730208. Its totient is φ = 53562060.

The previous prime is 53646119. The next prime is 53646161. The reversal of 53646133 is 33164635.

53646133 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53646133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53646095 and 53646104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53646113) 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, 41073 + ... + 42358.

It is an arithmetic number, because the mean of its divisors is an integer number (13432552).

Almost surely, 2^53646133 is an apocalyptic number.

It is an amenable number.

53646133 is a deficient number, since it is larger than the sum of its proper divisors (84075).

53646133 is an equidigital number, since it uses as much as digits as its factorization.

53646133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84074.

The product of its digits is 19440, while the sum is 31.

The square root of 53646133 is about 7324.3520532536. The cubic root of 53646133 is about 377.1488669500.

The spelling of 53646133 in words is "fifty-three million, six hundred forty-six thousand, one hundred thirty-three".