255769056 has 96 divisors (see below), whose sum is σ = 748893600. Its totient is φ = 84925440.

The previous prime is 255769037. The next prime is 255769061. The reversal of 255769056 is 650967552.

255769056 is a `hidden beast` number, since 2 + 557 + 6 + 90 + 5 + 6 = 666.

255769056 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-3 number, since 3×255769056³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 335716 + ... + 336476.

It is an arithmetic number, because the mean of its divisors is an integer number (7800975).

Almost surely, 2^255769056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255769056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (374446800).

255769056 is an abundant number, since it is smaller than the sum of its proper divisors (493124544).

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

255769056 is a wasteful number, since it uses less digits than its factorization.

255769056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169 (or 1155 counting only the distinct ones).

The product of its (nonzero) digits is 567000, while the sum is 45.

The square root of 255769056 is about 15992.7813716064. The cubic root of 255769056 is about 634.7694254520.

The spelling of 255769056 in words is "two hundred fifty-five million, seven hundred sixty-nine thousand, fifty-six".