53643163 has 8 divisors (see below), whose sum is σ = 61598720. Its totient is φ = 45760680.

The previous prime is 53643157. The next prime is 53643167. The reversal of 53643163 is 36134635.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53643163 - 2⁵ = 53643131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53643167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16683 + ... + 19636.

It is an arithmetic number, because the mean of its divisors is an integer number (7699840).

Almost surely, 2^53643163 is an apocalyptic number.

53643163 is a deficient number, since it is larger than the sum of its proper divisors (7955557).

53643163 is a wasteful number, since it uses less digits than its factorization.

53643163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36537.

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

The square root of 53643163 is about 7324.1493021374. The cubic root of 53643163 is about 377.1419068161.

Adding to 53643163 its reverse (36134635), we get a palindrome (89777798).

The spelling of 53643163 in words is "fifty-three million, six hundred forty-three thousand, one hundred sixty-three".