53452409 has 8 divisors (see below), whose sum is σ = 54702600. Its totient is φ = 52214400.

The previous prime is 53452387. The next prime is 53452411. The reversal of 53452409 is 90425435.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 162409 + 53290000 = 403^2 + 7300^2 .

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 53452409 - 2²⁴ = 36675193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53452439) 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, 6149 + ... + 12029.

It is an arithmetic number, because the mean of its divisors is an integer number (6837825).

Almost surely, 2^53452409 is an apocalyptic number.

It is an amenable number.

53452409 is a deficient number, since it is larger than the sum of its proper divisors (1250191).

53452409 is a wasteful number, since it uses less digits than its factorization.

53452409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6091.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 53452409 is about 7311.1154415725. The cubic root of 53452409 is about 376.6943395581.

The spelling of 53452409 in words is "fifty-three million, four hundred fifty-two thousand, four hundred nine".