555228945 has 16 divisors (see below), whose sum is σ = 987073920. Its totient is φ = 296122032.

The previous prime is 555228931. The next prime is 555228977. The reversal of 555228945 is 549822555.

555228945 is a `hidden beast` number, since 5 + 5 + 522 + 89 + 45 = 666.

It is not a de Polignac number, because 555228945 - 2¹⁰ = 555227921 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 555228945.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2056269 + ... + 2056538.

It is an arithmetic number, because the mean of its divisors is an integer number (61692120).

Almost surely, 2^555228945 is an apocalyptic number.

It is an amenable number.

555228945 is a deficient number, since it is larger than the sum of its proper divisors (431844975).

555228945 is a wasteful number, since it uses less digits than its factorization.

555228945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4112821 (or 4112815 counting only the distinct ones).

The product of its digits is 720000, while the sum is 45.

The square root of 555228945 is about 23563.2965647848. The cubic root of 555228945 is about 821.9095616842.

The spelling of 555228945 in words is "five hundred fifty-five million, two hundred twenty-eight thousand, nine hundred forty-five".