550221353452 has 12 divisors (see below), whose sum is σ = 962892811440. Its totient is φ = 275109121616.

The previous prime is 550221353449. The next prime is 550221353453. The reversal of 550221353452 is 254353122055.

550221353452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (550221353453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 836073 + ... + 1341439.

It is an arithmetic number, because the mean of its divisors is an integer number (80241067620).

Almost surely, 2^550221353452 is an apocalyptic number.

It is an amenable number.

550221353452 is a deficient number, since it is larger than the sum of its proper divisors (412671457988).

550221353452 is a wasteful number, since it uses less digits than its factorization.

550221353452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777560 (or 777558 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 37.

The spelling of 550221353452 in words is "five hundred fifty billion, two hundred twenty-one million, three hundred fifty-three thousand, four hundred fifty-two".