5543998 has 4 divisors (see below), whose sum is σ = 8316000. Its totient is φ = 2771998.

The previous prime is 5543981. The next prime is 5544001. The reversal of 5543998 is 8993455.

It is a happy number.

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

It is a congruent number.

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 as a sum of consecutive naturals, namely, 1385998 + ... + 1386001.

It is an arithmetic number, because the mean of its divisors is an integer number (2079000).

Almost surely, 2^5543998 is an apocalyptic number.

5543998 is a deficient number, since it is larger than the sum of its proper divisors (2772002).

5543998 is a wasteful number, since it uses less digits than its factorization.

5543998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2772001.

The product of its digits is 194400, while the sum is 43.

The square root of 5543998 is about 2354.5695997358. The cubic root of 5543998 is about 176.9868589093.

The spelling of 5543998 in words is "five million, five hundred forty-three thousand, nine hundred ninety-eight".