5543643975 has 24 divisors (see below), whose sum is σ = 9461156352. Its totient is φ = 2861234400.

The previous prime is 5543643961. The next prime is 5543644013. The reversal of 5543643975 is 5793463455.

It is a happy number.

It is not a de Polignac number, because 5543643975 - 2¹² = 5543639879 is a prime.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1189857 + ... + 1194506.

It is an arithmetic number, because the mean of its divisors is an integer number (394214848).

Almost surely, 2^5543643975 is an apocalyptic number.

5543643975 is a deficient number, since it is larger than the sum of its proper divisors (3917512377).

5543643975 is a wasteful number, since it uses less digits than its factorization.

5543643975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2384407 (or 2384402 counting only the distinct ones).

The product of its digits is 6804000, while the sum is 51.

The square root of 5543643975 is about 74455.6510615548. The cubic root of 5543643975 is about 1769.8309152536.

The spelling of 5543643975 in words is "five billion, five hundred forty-three million, six hundred forty-three thousand, nine hundred seventy-five".