5555554444424 has 32 divisors (see below), whose sum is σ = 10839572172000. Its totient is φ = 2667191678592.

The previous prime is 5555554444411. The next prime is 5555554444459. The reversal of 5555554444424 is 4244444555555.

It is a self number, because there is not a number n which added to its sum of digits gives 5555554444424.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136842989 + ... + 136883580.

It is an arithmetic number, because the mean of its divisors is an integer number (338736630375).

Almost surely, 2^{5555554444424} is an apocalyptic number.

It is an amenable number.

5555554444424 is a deficient number, since it is larger than the sum of its proper divisors (5284017727576).

5555554444424 is a wasteful number, since it uses less digits than its factorization.

5555554444424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273726677 (or 273726673 counting only the distinct ones).

The product of its digits is 128000000, while the sum is 56.

Adding to 5555554444424 its reverse (4244444555555), we get a palindrome (9799998999979).

The spelling of 5555554444424 in words is "five trillion, five hundred fifty-five billion, five hundred fifty-four million, four hundred forty-four thousand, four hundred twenty-four".