550221105625 has 40 divisors (see below), whose sum is σ = 699352941672. Its totient is φ = 432635520000.

The previous prime is 550221105589. The next prime is 550221105649. The reversal of 550221105625 is 526501122055.

550221105625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 20 ways, for example, as 334550030409 + 215671075216 = 578403^2 + 464404^2 .

It is not a de Polignac number, because 550221105625 - 2¹⁵ = 550221072857 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 59203479 + ... + 59212771.

Almost surely, 2^550221105625 is an apocalyptic number.

It is an amenable number.

550221105625 is a deficient number, since it is larger than the sum of its proper divisors (149131836047).

550221105625 is an equidigital number, since it uses as much as digits as its factorization.

550221105625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10927 (or 10912 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 34.

The spelling of 550221105625 in words is "five hundred fifty billion, two hundred twenty-one million, one hundred five thousand, six hundred twenty-five".