255504856 has 32 divisors (see below), whose sum is σ = 506880000. Its totient is φ = 120406176.

The previous prime is 255504841. The next prime is 255504859. The reversal of 255504856 is 658405552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255504859) 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, 26025 + ... + 34471.

It is an arithmetic number, because the mean of its divisors is an integer number (15840000).

Almost surely, 2^255504856 is an apocalyptic number.

It is an amenable number.

255504856 is a deficient number, since it is larger than the sum of its proper divisors (251375144).

255504856 is a wasteful number, since it uses less digits than its factorization.

255504856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8671 (or 8667 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 40.

The square root of 255504856 is about 15984.5192608348. The cubic root of 255504856 is about 634.5507856854.

The spelling of 255504856 in words is "two hundred fifty-five million, five hundred four thousand, eight hundred fifty-six".