255523000 has 32 divisors (see below), whose sum is σ = 597926160. Its totient is φ = 102208800.

The previous prime is 255522991. The next prime is 255523007. The reversal of 255523000 is 325552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255523007) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 126762 + ... + 128761.

Almost surely, 2^255523000 is an apocalyptic number.

255523000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255523000 is an abundant number, since it is smaller than the sum of its proper divisors (342403160).

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

255523000 is a wasteful number, since it uses less digits than its factorization.

255523000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255544 (or 255530 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 255523000 is about 15985.0867998895. The cubic root of 255523000 is about 634.5658056439.

Adding to 255523000 its reverse (325552), we get a palindrome (255848552).

The spelling of 255523000 in words is "two hundred fifty-five million, five hundred twenty-three thousand".