5555166225 has 24 divisors (see below), whose sum is σ = 10496619840. Its totient is φ = 2539504320.

The previous prime is 5555166217. The next prime is 5555166229. The reversal of 5555166225 is 5226615555.

It is not a de Polignac number, because 5555166225 - 2³ = 5555166217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5555166229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5290110 + ... + 5291159.

It is an arithmetic number, because the mean of its divisors is an integer number (437359160).

Almost surely, 2^5555166225 is an apocalyptic number.

It is an amenable number.

5555166225 is a deficient number, since it is larger than the sum of its proper divisors (4941453615).

5555166225 is a wasteful number, since it uses less digits than its factorization.

5555166225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10581289 (or 10581284 counting only the distinct ones).

The product of its digits is 450000, while the sum is 42.

The square root of 5555166225 is about 74532.9874954708. The cubic root of 5555166225 is about 1771.0562417927.

The spelling of 5555166225 in words is "five billion, five hundred fifty-five million, one hundred sixty-six thousand, two hundred twenty-five".