5517730530225 has 81 divisors (see below), whose sum is σ = 9959117431809. Its totient is φ = 2920258152000.

The previous prime is 5517730530211. The next prime is 5517730530239. The reversal of 5517730530225 is 5220350377155.

The square root of 5517730530225 is 2348985.

It is a perfect power (a square), and thus also a powerful number.

5517730530225 is a `hidden beast` number, since 5 + 5 + 17 + 7 + 305 + 302 + 25 = 666.

It is an interprime number because it is at equal distance from previous prime (5517730530211) and next prime (5517730530239).

It can be written as a sum of positive squares in 4 ways, for example, as 1646784459441 + 3870946070784 = 1283271^2 + 1967472^2 .

It is not a de Polignac number, because 5517730530225 - 2¹⁹ = 5517730005937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 5249980950 + ... + 5249982000.

Almost surely, 2^{5517730530225} is an apocalyptic number.

5517730530225 is the 2348985-th square number.

5517730530225 is the 1174493-rd centered octagonal number.

It is an amenable number.

5517730530225 is a deficient number, since it is larger than the sum of its proper divisors (4441386901584).

5517730530225 is an equidigital number, since it uses as much as digits as its factorization.

5517730530225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2416 (or 1208 counting only the distinct ones).

The product of its (nonzero) digits is 1102500, while the sum is 45.

The spelling of 5517730530225 in words is "five trillion, five hundred seventeen billion, seven hundred thirty million, five hundred thirty thousand, two hundred twenty-five".