5668538 has 4 divisors (see below), whose sum is σ = 8502810. Its totient is φ = 2834268.

The previous prime is 5668519. The next prime is 5668549. The reversal of 5668538 is 8358665.

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

It can be written as a sum of positive squares in only one way, i.e., 3545689 + 2122849 = 1883^2 + 1457^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5668495 and 5668504.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1417133 + ... + 1417136.

Almost surely, 2^5668538 is an apocalyptic number.

5668538 is a deficient number, since it is larger than the sum of its proper divisors (2834272).

5668538 is a wasteful number, since it uses less digits than its factorization.

5668538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2834271.

The product of its digits is 172800, while the sum is 41.

The square root of 5668538 is about 2380.8691690221. The cubic root of 5668538 is about 178.3023309623.

The spelling of 5668538 in words is "five million, six hundred sixty-eight thousand, five hundred thirty-eight".