5556686 has 4 divisors (see below), whose sum is σ = 8335032. Its totient is φ = 2778342.

The previous prime is 5556667. The next prime is 5556703. The reversal of 5556686 is 6866555.

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, 1389170 + ... + 1389173.

It is an arithmetic number, because the mean of its divisors is an integer number (2083758).

Almost surely, 2^5556686 is an apocalyptic number.

5556686 is a deficient number, since it is larger than the sum of its proper divisors (2778346).

5556686 is a wasteful number, since it uses less digits than its factorization.

5556686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2778345.

The product of its digits is 216000, while the sum is 41.

The square root of 5556686 is about 2357.2623952373. The cubic root of 5556686 is about 177.1217734805.

The spelling of 5556686 in words is "five million, five hundred fifty-six thousand, six hundred eighty-six".