55004223556 has 24 divisors (see below), whose sum is σ = 99602055000. Its totient is φ = 26546978304.

The previous prime is 55004223551. The next prime is 55004223559. The reversal of 55004223556 is 65532240055.

It can be written as a sum of positive squares in 4 ways, for example, as 1124529156 + 53879694400 = 33534^2 + 232120^2 .

It is not an unprimeable number, because it can be changed into a prime (55004223551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411130 + ... + 528238.

It is an arithmetic number, because the mean of its divisors is an integer number (4150085625).

Almost surely, 2^55004223556 is an apocalyptic number.

It is an amenable number.

55004223556 is a deficient number, since it is larger than the sum of its proper divisors (44597831444).

55004223556 is a wasteful number, since it uses less digits than its factorization.

55004223556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121191 (or 121189 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 37.

The spelling of 55004223556 in words is "fifty-five billion, four million, two hundred twenty-three thousand, five hundred fifty-six".