255553008 has 80 divisors (see below), whose sum is σ = 674897280. Its totient is φ = 83305728.

The previous prime is 255552949. The next prime is 255553009. The reversal of 255553008 is 800355552.

It is a self number, because there is not a number n which added to its sum of digits gives 255553008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255553009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 736291 + ... + 736637.

It is an arithmetic number, because the mean of its divisors is an integer number (8436216).

Almost surely, 2^255553008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255553008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (337448640).

255553008 is an abundant number, since it is smaller than the sum of its proper divisors (419344272).

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

255553008 is a wasteful number, since it uses less digits than its factorization.

255553008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654 (or 648 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 255553008 is about 15986.0253972024. The cubic root of 255553008 is about 634.5906452934.

The spelling of 255553008 in words is "two hundred fifty-five million, five hundred fifty-three thousand, eight".