555828025 has 6 divisors (see below), whose sum is σ = 689226782. Its totient is φ = 444662400.

The previous prime is 555828017. The next prime is 555828029. The reversal of 555828025 is 520828555.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 152300281 + 403527744 = 12341^2 + 20088^2 .

It is not a de Polignac number, because 555828025 - 2³ = 555828017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (555828029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11116536 + ... + 11116585.

Almost surely, 2^555828025 is an apocalyptic number.

It is an amenable number.

555828025 is a deficient number, since it is larger than the sum of its proper divisors (133398757).

555828025 is a wasteful number, since it uses less digits than its factorization.

555828025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22233131 (or 22233126 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 40.

The square root of 555828025 is about 23576.0052807934. The cubic root of 555828025 is about 822.2050629654.

The spelling of 555828025 in words is "five hundred fifty-five million, eight hundred twenty-eight thousand, twenty-five".