5555644 has 12 divisors (see below), whose sum is σ = 9742768. Its totient is φ = 2772000.

The previous prime is 5555639. The next prime is 5555653. The reversal of 5555644 is 4465555.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1249 + ... + 3559.

Almost surely, 2^5555644 is an apocalyptic number.

It is an amenable number.

5555644 is a deficient number, since it is larger than the sum of its proper divisors (4187124).

5555644 is a wasteful number, since it uses less digits than its factorization.

5555644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2916 (or 2914 counting only the distinct ones).

The product of its digits is 60000, while the sum is 34.

The square root of 5555644 is about 2357.0413657804. The cubic root of 5555644 is about 177.1107013879.

The spelling of 5555644 in words is "five million, five hundred fifty-five thousand, six hundred forty-four".