55550543044 has 24 divisors (see below), whose sum is σ = 97867162008. Its totient is φ = 27588960000.

The previous prime is 55550543011. The next prime is 55550543047. The reversal of 55550543044 is 44034505555.

It can be written as a sum of positive squares in 4 ways, for example, as 3435132100 + 52115410944 = 58610^2 + 228288^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55550542988 and 55550543006.

It is not an unprimeable number, because it can be changed into a prime (55550543047) 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, 425544 + ... + 540544.

It is an arithmetic number, because the mean of its divisors is an integer number (4077798417).

Almost surely, 2^55550543044 is an apocalyptic number.

It is an amenable number.

55550543044 is a deficient number, since it is larger than the sum of its proper divisors (42316618964).

55550543044 is a wasteful number, since it uses less digits than its factorization.

55550543044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115815 (or 115813 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 40.

The spelling of 55550543044 in words is "fifty-five billion, five hundred fifty million, five hundred forty-three thousand, forty-four".