255589853 has 4 divisors (see below), whose sum is σ = 256406748. Its totient is φ = 254772960.

The previous prime is 255589813. The next prime is 255589861. The reversal of 255589853 is 358985552.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6360484 + 249229369 = 2522^2 + 15787^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255589853 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255589813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407978 + ... + 408603.

It is an arithmetic number, because the mean of its divisors is an integer number (64101687).

Almost surely, 2^255589853 is an apocalyptic number.

It is an amenable number.

255589853 is a deficient number, since it is larger than the sum of its proper divisors (816895).

255589853 is an equidigital number, since it uses as much as digits as its factorization.

255589853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816894.

The product of its digits is 2160000, while the sum is 50.

The square root of 255589853 is about 15987.1777684493. The cubic root of 255589853 is about 634.6211417305.

The spelling of 255589853 in words is "two hundred fifty-five million, five hundred eighty-nine thousand, eight hundred fifty-three".