255045555 has 12 divisors (see below), whose sum is σ = 442079040. Its totient is φ = 136024272.

The previous prime is 255045541. The next prime is 255045601. The reversal of 255045555 is 555540552.

255045555 is a `hidden beast` number, since 2 + 550 + 4 + 55 + 55 = 666.

It is not a de Polignac number, because 255045555 - 2⁵ = 255045523 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 2833795 + ... + 2833884.

It is an arithmetic number, because the mean of its divisors is an integer number (36839920).

Almost surely, 2^255045555 is an apocalyptic number.

255045555 is a deficient number, since it is larger than the sum of its proper divisors (187033485).

255045555 is a wasteful number, since it uses less digits than its factorization.

255045555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5667690 (or 5667687 counting only the distinct ones).

The product of its (nonzero) digits is 125000, while the sum is 36.

The square root of 255045555 is about 15970.1457413513. The cubic root of 255045555 is about 634.1703302629.

The spelling of 255045555 in words is "two hundred fifty-five million, forty-five thousand, five hundred fifty-five".