255536774 has 4 divisors (see below), whose sum is σ = 383305164. Its totient is φ = 127768386.

The previous prime is 255536761. The next prime is 255536779. The reversal of 255536774 is 477635552.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255536779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63884192 + ... + 63884195.

It is an arithmetic number, because the mean of its divisors is an integer number (95826291).

Almost surely, 2^255536774 is an apocalyptic number.

255536774 is a deficient number, since it is larger than the sum of its proper divisors (127768390).

255536774 is a wasteful number, since it uses less digits than its factorization.

255536774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127768389.

The product of its digits is 882000, while the sum is 44.

The square root of 255536774 is about 15985.5176331578. The cubic root of 255536774 is about 634.5772075560.

The spelling of 255536774 in words is "two hundred fifty-five million, five hundred thirty-six thousand, seven hundred seventy-four".