255566085 has 16 divisors (see below), whose sum is σ = 409295040. Its totient is φ = 136172160.

The previous prime is 255566063. The next prime is 255566107. The reversal of 255566085 is 580665552.

255566085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (255566063) and next prime (255566107).

It is not a de Polignac number, because 255566085 - 2⁶ = 255566021 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9390 + ... + 24480.

It is an arithmetic number, because the mean of its divisors is an integer number (25580940).

Almost surely, 2^255566085 is an apocalyptic number.

It is an amenable number.

255566085 is a deficient number, since it is larger than the sum of its proper divisors (153728955).

255566085 is a wasteful number, since it uses less digits than its factorization.

255566085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16228.

The product of its (nonzero) digits is 360000, while the sum is 42.

The square root of 255566085 is about 15986.4344054576. The cubic root of 255566085 is about 634.6014694017.

The spelling of 255566085 in words is "two hundred fifty-five million, five hundred sixty-six thousand, eighty-five".