5543803 has 4 divisors (see below), whose sum is σ = 5556600. Its totient is φ = 5531008.

The previous prime is 5543779. The next prime is 5543831. The reversal of 5543803 is 3083455.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5543803 - 2⁵ = 5543771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5543833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5725 + ... + 6622.

It is an arithmetic number, because the mean of its divisors is an integer number (1389150).

Almost surely, 2^5543803 is an apocalyptic number.

5543803 is a deficient number, since it is larger than the sum of its proper divisors (12797).

5543803 is a wasteful number, since it uses less digits than its factorization.

5543803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12796.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 5543803 is about 2354.5281905299. The cubic root of 5543803 is about 176.9847838218.

The spelling of 5543803 in words is "five million, five hundred forty-three thousand, eight hundred three".