550221683684 has 24 divisors (see below), whose sum is σ = 965239923648. Its totient is φ = 274439175840.

The previous prime is 550221683623. The next prime is 550221683717. The reversal of 550221683684 is 486386122055.

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 7 ways as a sum of consecutive naturals, for example, 7055087 + ... + 7132649.

It is an arithmetic number, because the mean of its divisors is an integer number (40218330152).

Almost surely, 2^550221683684 is an apocalyptic number.

It is an amenable number.

550221683684 is a deficient number, since it is larger than the sum of its proper divisors (415018239964).

550221683684 is a wasteful number, since it uses less digits than its factorization.

550221683684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81875 (or 81873 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 50.

The spelling of 550221683684 in words is "five hundred fifty billion, two hundred twenty-one million, six hundred eighty-three thousand, six hundred eighty-four".