255578543 has 8 divisors (see below), whose sum is σ = 285613776. Its totient is φ = 226676800.

The previous prime is 255578503. The next prime is 255578549. The reversal of 255578543 is 345875552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255578543 - 2²⁴ = 238801327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255578494 and 255578503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255578549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282896 + ... + 283797.

It is an arithmetic number, because the mean of its divisors is an integer number (35701722).

Almost surely, 2^255578543 is an apocalyptic number.

255578543 is a deficient number, since it is larger than the sum of its proper divisors (30035233).

255578543 is a wasteful number, since it uses less digits than its factorization.

255578543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566745.

The product of its digits is 840000, while the sum is 44.

The square root of 255578543 is about 15986.8240435679. The cubic root of 255578543 is about 634.6117808073.

The spelling of 255578543 in words is "two hundred fifty-five million, five hundred seventy-eight thousand, five hundred forty-three".