255574578 has 16 divisors (see below), whose sum is σ = 584170560. Its totient is φ = 73021296.

The previous prime is 255574573. The next prime is 255574591. The reversal of 255574578 is 875475552.

It is not an unprimeable number, because it can be changed into a prime (255574573) 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, 3042513 + ... + 3042596.

It is an arithmetic number, because the mean of its divisors is an integer number (36510660).

Almost surely, 2^255574578 is an apocalyptic number.

255574578 is an abundant number, since it is smaller than the sum of its proper divisors (328595982).

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

255574578 is a wasteful number, since it uses less digits than its factorization.

255574578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6085121.

The product of its digits is 1960000, while the sum is 48.

The square root of 255574578 is about 15986.7000347164. The cubic root of 255574578 is about 634.6084990389.

It can be divided in two parts, 25557 and 4578, that added together give a triangular number (30135 = T₂₄₅).

The spelling of 255574578 in words is "two hundred fifty-five million, five hundred seventy-four thousand, five hundred seventy-eight".