255543564 has 24 divisors (see below), whose sum is σ = 602970480. Its totient is φ = 84223744.

The previous prime is 255543557. The next prime is 255543569. The reversal of 255543564 is 465345552.

255543564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (255543569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118569 + ... + 120704.

It is an arithmetic number, because the mean of its divisors is an integer number (25123770).

Almost surely, 2^255543564 is an apocalyptic number.

It is an amenable number.

255543564 is an abundant number, since it is smaller than the sum of its proper divisors (347426916).

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

255543564 is a wasteful number, since it uses less digits than its factorization.

255543564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239369 (or 239367 counting only the distinct ones).

The product of its digits is 360000, while the sum is 39.

The square root of 255543564 is about 15985.7300114821. The cubic root of 255543564 is about 634.5828280661.

The spelling of 255543564 in words is "two hundred fifty-five million, five hundred forty-three thousand, five hundred sixty-four".