255653889 has 8 divisors (see below), whose sum is σ = 345673152. Its totient is φ = 168035280.

The previous prime is 255653887. The next prime is 255653953. The reversal of 255653889 is 988356552.

255653889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 255653889 - 2¹ = 255653887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255653887) 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, 599914 + ... + 600339.

It is an arithmetic number, because the mean of its divisors is an integer number (43209144).

Almost surely, 2^255653889 is an apocalyptic number.

It is an amenable number.

255653889 is a deficient number, since it is larger than the sum of its proper divisors (90019263).

255653889 is a wasteful number, since it uses less digits than its factorization.

255653889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200327.

The product of its digits is 2592000, while the sum is 51.

The square root of 255653889 is about 15989.1803729897. The cubic root of 255653889 is about 634.6741370608.

The spelling of 255653889 in words is "two hundred fifty-five million, six hundred fifty-three thousand, eight hundred eighty-nine".