550221683703 has 32 divisors (see below), whose sum is σ = 762986649600. Its totient is φ = 352274393856.

The previous prime is 550221683623. The next prime is 550221683717. The reversal of 550221683703 is 307386122055.

It is a happy number.

550221683703 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-550221683703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550221683203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18428475 + ... + 18458307.

It is an arithmetic number, because the mean of its divisors is an integer number (23843332800).

Almost surely, 2^550221683703 is an apocalyptic number.

550221683703 is a deficient number, since it is larger than the sum of its proper divisors (212764965897).

550221683703 is a wasteful number, since it uses less digits than its factorization.

550221683703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30991.

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 550221683703 in words is "five hundred fifty billion, two hundred twenty-one million, six hundred eighty-three thousand, seven hundred three".