255000564 has 72 divisors (see below), whose sum is σ = 793345280. Its totient is φ = 67252032.

The previous prime is 255000553. The next prime is 255000569. The reversal of 255000564 is 465000552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255000569) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35644 + ... + 42195.

Almost surely, 2^255000564 is an apocalyptic number.

It is an amenable number.

255000564 is an abundant number, since it is smaller than the sum of its proper divisors (538344716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255000564 is a wasteful number, since it uses less digits than its factorization.

255000564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77869 (or 77864 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 255000564 is about 15968.7370821866. The cubic root of 255000564 is about 634.1330380555.

The spelling of 255000564 in words is "two hundred fifty-five million, five hundred sixty-four", and thus it is an aban number.