555867225 has 48 divisors (see below), whose sum is σ = 1028773440. Its totient is φ = 294249600.

The previous prime is 555867209. The next prime is 555867229. The reversal of 555867225 is 522768555.

555867225 is a `hidden beast` number, since 5 + 558 + 6 + 72 + 25 = 666.

It is not a de Polignac number, because 555867225 - 2⁴ = 555867209 is a prime.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (555867229) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 89470 + ... + 95480.

It is an arithmetic number, because the mean of its divisors is an integer number (21432780).

Almost surely, 2^555867225 is an apocalyptic number.

It is an amenable number.

555867225 is a deficient number, since it is larger than the sum of its proper divisors (472906215).

555867225 is a wasteful number, since it uses less digits than its factorization.

555867225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6167 (or 6156 counting only the distinct ones).

The product of its digits is 840000, while the sum is 45.

The square root of 555867225 is about 23576.8366198691. The cubic root of 555867225 is about 822.2243912944.

The spelling of 555867225 in words is "five hundred fifty-five million, eight hundred sixty-seven thousand, two hundred twenty-five".