555617225 has 6 divisors (see below), whose sum is σ = 688965390. Its totient is φ = 444493760.

The previous prime is 555617203. The next prime is 555617267. The reversal of 555617225 is 522716555.

It can be written as a sum of positive squares in 3 ways, for example, as 159567424 + 396049801 = 12632^2 + 19901^2 .

It is not a de Polignac number, because 555617225 - 2¹⁴ = 555600841 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11112320 + ... + 11112369.

It is an arithmetic number, because the mean of its divisors is an integer number (114827565).

Almost surely, 2^555617225 is an apocalyptic number.

It is an amenable number.

555617225 is a deficient number, since it is larger than the sum of its proper divisors (133348165).

555617225 is a wasteful number, since it uses less digits than its factorization.

555617225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22224699 (or 22224694 counting only the distinct ones).

The product of its digits is 105000, while the sum is 38.

The square root of 555617225 is about 23571.5342097200. The cubic root of 555617225 is about 822.1011083037.

The spelling of 555617225 in words is "five hundred fifty-five million, six hundred seventeen thousand, two hundred twenty-five".