5543820 has 72 divisors (see below), whose sum is σ = 17712240. Its totient is φ = 1399680.

The previous prime is 5543779. The next prime is 5543831. The reversal of 5543820 is 283455.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2610 + ... + 4230.

Almost surely, 2^5543820 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5543820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8856120).

5543820 is an abundant number, since it is smaller than the sum of its proper divisors (12168420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5543820 is a wasteful number, since it uses less digits than its factorization.

5543820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655 (or 1650 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 5543820 is about 2354.5318005922. The cubic root of 5543820 is about 176.9849647288.

The spelling of 5543820 in words is "five million, five hundred forty-three thousand, eight hundred twenty".