550221683704 has 128 divisors (see below), whose sum is σ = 1293667200000. Its totient is φ = 213135713280.

The previous prime is 550221683623. The next prime is 550221683717. The reversal of 550221683704 is 407386122055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118350372 + ... + 118355020.

It is an arithmetic number, because the mean of its divisors is an integer number (10106775000).

Almost surely, 2^550221683704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550221683704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (646833600000).

550221683704 is an abundant number, since it is smaller than the sum of its proper divisors (743445516296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550221683704 is a wasteful number, since it uses less digits than its factorization.

550221683704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5741 (or 5737 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 550221683704 in words is "five hundred fifty billion, two hundred twenty-one million, six hundred eighty-three thousand, seven hundred four".