550401204656 has 20 divisors (see below), whose sum is σ = 1066429884000. Its totient is φ = 275193492672.

The previous prime is 550401204637. The next prime is 550401204679. The reversal of 550401204656 is 656402104055.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224870 + ... + 1073018.

It is an arithmetic number, because the mean of its divisors is an integer number (53321494200).

Almost surely, 2^550401204656 is an apocalyptic number.

It is an amenable number.

550401204656 is a deficient number, since it is larger than the sum of its proper divisors (516028679344).

550401204656 is a wasteful number, since it uses less digits than its factorization.

550401204656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888716 (or 888710 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 550401204656 in words is "five hundred fifty billion, four hundred one million, two hundred four thousand, six hundred fifty-six".