53643541 has 8 divisors (see below), whose sum is σ = 61357824. Its totient is φ = 45942000.

The previous prime is 53643529. The next prime is 53643559. The reversal of 53643541 is 14534635.

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 53643541 - 2⁵ = 53643509 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 (53643511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8916 + ... + 13666.

It is an arithmetic number, because the mean of its divisors is an integer number (7669728).

Almost surely, 2^53643541 is an apocalyptic number.

It is an amenable number.

53643541 is a deficient number, since it is larger than the sum of its proper divisors (7714283).

53643541 is a wasteful number, since it uses less digits than its factorization.

53643541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6371.

The product of its digits is 21600, while the sum is 31.

The square root of 53643541 is about 7324.1751071366. The cubic root of 53643541 is about 377.1427926656.

The spelling of 53643541 in words is "fifty-three million, six hundred forty-three thousand, five hundred forty-one".