255555874 has 24 divisors (see below), whose sum is σ = 446515200. Its totient is φ = 109377576.

The previous prime is 255555863. The next prime is 255555887. The reversal of 255555874 is 478555552.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105327 + ... + 107725.

It is an arithmetic number, because the mean of its divisors is an integer number (18604800).

Almost surely, 2^255555874 is an apocalyptic number.

255555874 is a deficient number, since it is larger than the sum of its proper divisors (190959326).

255555874 is a wasteful number, since it uses less digits than its factorization.

255555874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3502 (or 3495 counting only the distinct ones).

The product of its digits is 1400000, while the sum is 46.

The square root of 255555874 is about 15986.1150377445. The cubic root of 255555874 is about 634.5930175736.

The spelling of 255555874 in words is "two hundred fifty-five million, five hundred fifty-five thousand, eight hundred seventy-four".