5555444 has 12 divisors (see below), whose sum is σ = 9777600. Its totient is φ = 2761848.

The previous prime is 5555401. The next prime is 5555461. The reversal of 5555444 is 4445555.

It is a d-powerful number, because it can be written as 5⁷ + 5⁷ + 5⁷ + 5⁷ + 4³ + 4¹⁰ + 4¹¹ .

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 5555444.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3164 + ... + 4595.

It is an arithmetic number, because the mean of its divisors is an integer number (814800).

Almost surely, 2^5555444 is an apocalyptic number.

It is an amenable number.

5555444 is a deficient number, since it is larger than the sum of its proper divisors (4222156).

5555444 is a wasteful number, since it uses less digits than its factorization.

5555444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7942 (or 7940 counting only the distinct ones).

The product of its digits is 40000, while the sum is 32.

The square root of 5555444 is about 2356.9989393294. The cubic root of 5555444 is about 177.1085760678.

The spelling of 5555444 in words is "five million, five hundred fifty-five thousand, four hundred forty-four".