5543638 has 4 divisors (see below), whose sum is σ = 8315460. Its totient is φ = 2771818.

The previous prime is 5543623. The next prime is 5543701. The reversal of 5543638 is 8363455.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 1385908 + ... + 1385911.

It is an arithmetic number, because the mean of its divisors is an integer number (2078865).

Almost surely, 2^5543638 is an apocalyptic number.

5543638 is a deficient number, since it is larger than the sum of its proper divisors (2771822).

5543638 is a wasteful number, since it uses less digits than its factorization.

5543638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2771821.

The product of its digits is 43200, while the sum is 34.

The square root of 5543638 is about 2354.4931514022. The cubic root of 5543638 is about 176.9830279406.

The spelling of 5543638 in words is "five million, five hundred forty-three thousand, six hundred thirty-eight".