5543643 has 8 divisors (see below), whose sum is σ = 8447488. Its totient is φ = 3167784.

The previous prime is 5543623. The next prime is 5543701. The reversal of 5543643 is 3463455.

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

It is not a de Polignac number, because 5543643 - 2⁶ = 5543579 is a prime.

It is a super-2 number, since 2×5543643² = 61463955422898, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5543643.

It is not an unprimeable number, because it can be changed into a prime (5543623) 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, 131971 + ... + 132012.

It is an arithmetic number, because the mean of its divisors is an integer number (1055936).

Almost surely, 2^5543643 is an apocalyptic number.

5543643 is a deficient number, since it is larger than the sum of its proper divisors (2903845).

5543643 is a wasteful number, since it uses less digits than its factorization.

5543643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263993.

The product of its digits is 21600, while the sum is 30.

The square root of 5543643 is about 2354.4942132016. The cubic root of 5543643 is about 176.9830811496.

The spelling of 5543643 in words is "five million, five hundred forty-three thousand, six hundred forty-three".