5556644 has 12 divisors (see below), whose sum is σ = 9819264. Its totient is φ = 2751144.

The previous prime is 5556643. The next prime is 5556653. The reversal of 5556644 is 4466555.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (5556643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6332 + ... + 7155.

It is an arithmetic number, because the mean of its divisors is an integer number (818272).

Almost surely, 2^5556644 is an apocalyptic number.

It is an amenable number.

5556644 is a deficient number, since it is larger than the sum of its proper divisors (4262620).

5556644 is a wasteful number, since it uses less digits than its factorization.

5556644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13594 (or 13592 counting only the distinct ones).

The product of its digits is 72000, while the sum is 35.

The square root of 5556644 is about 2357.2534865814. The cubic root of 5556644 is about 177.1213272233.

The spelling of 5556644 in words is "five million, five hundred fifty-six thousand, six hundred forty-four".