55050560644 has 12 divisors (see below), whose sum is σ = 96340185424. Its totient is φ = 27524793384.

The previous prime is 55050560629. The next prime is 55050560657. The reversal of 55050560644 is 44606505055.

It is a junction number, because it is equal to n+sod(n) for n = 55050560597 and 55050560606.

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, 279787 + ... + 434029.

Almost surely, 2^55050560644 is an apocalyptic number.

It is an amenable number.

55050560644 is a deficient number, since it is larger than the sum of its proper divisors (41289624780).

55050560644 is a wasteful number, since it uses less digits than its factorization.

55050560644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243474 (or 243472 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 55050560644 in words is "fifty-five billion, fifty million, five hundred sixty thousand, six hundred forty-four".