53543663 has 8 divisors (see below), whose sum is σ = 54949776. Its totient is φ = 52142400.

The previous prime is 53543647. The next prime is 53543671. The reversal of 53543663 is 36634535.

53543663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 53543663 - 2⁴ = 53543647 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 (53543683) 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 7 ways as a sum of consecutive naturals, for example, 34208 + ... + 35738.

It is an arithmetic number, because the mean of its divisors is an integer number (6868722).

Almost surely, 2^53543663 is an apocalyptic number.

53543663 is a deficient number, since it is larger than the sum of its proper divisors (1406113).

53543663 is a wasteful number, since it uses less digits than its factorization.

53543663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425.

The product of its digits is 97200, while the sum is 35.

The square root of 53543663 is about 7317.3535516606. The cubic root of 53543663 is about 376.9085819894.

The spelling of 53543663 in words is "fifty-three million, five hundred forty-three thousand, six hundred sixty-three".