255686552 has 24 divisors (see below), whose sum is σ = 526959300. Its totient is φ = 116220720.

The previous prime is 255686551. The next prime is 255686597.

255686552 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×255686552² = 130751225747297408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255686551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 131102 + ... + 133037.

Almost surely, 2^255686552 is an apocalyptic number.

255686552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

255686552 is an abundant number, since it is smaller than the sum of its proper divisors (271272748).

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

255686552 is a wasteful number, since it uses less digits than its factorization.

255686552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264167 (or 264152 counting only the distinct ones).

The product of its digits is 720000, while the sum is 44.

The square root of 255686552 is about 15990.2017498217. The cubic root of 255686552 is about 634.7011651111.

The spelling of 255686552 in words is "two hundred fifty-five million, six hundred eighty-six thousand, five hundred fifty-two".