5556556 has 6 divisors (see below), whose sum is σ = 9723980. Its totient is φ = 2778276.

The previous prime is 5556539. The next prime is 5556557. The reversal of 5556556 is 6556555.

It is a super-2 number, since 2×5556556² = 61750629162272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5556557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 694566 + ... + 694573.

Almost surely, 2^5556556 is an apocalyptic number.

It is an amenable number.

5556556 is a deficient number, since it is larger than the sum of its proper divisors (4167424).

5556556 is a wasteful number, since it uses less digits than its factorization.

5556556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389143 (or 1389141 counting only the distinct ones).

The product of its digits is 112500, while the sum is 37.

The square root of 5556556 is about 2357.2348207169. The cubic root of 5556556 is about 177.1203922010.

Subtracting 5556556 from its reverse (6556555), we obtain a palindrome (999999).

The spelling of 5556556 in words is "five million, five hundred fifty-six thousand, five hundred fifty-six".