255555008 has 28 divisors (see below), whose sum is σ = 513237480. Its totient is φ = 126235392.

The previous prime is 255555007. The next prime is 255555017. The reversal of 255555008 is 800555552.

It is a happy number.

It is a super-2 number, since 2×255555008² = 130616724227760128, which contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255555007) 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, 18743 + ... + 29366.

It is an arithmetic number, because the mean of its divisors is an integer number (18329910).

Almost surely, 2^255555008 is an apocalyptic number.

It is an amenable number.

255555008 is an abundant number, since it is smaller than the sum of its proper divisors (257682472).

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

255555008 is an equidigital number, since it uses as much as digits as its factorization.

255555008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48204 (or 48194 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 35.

The square root of 255555008 is about 15986.0879517160. The cubic root of 255555008 is about 634.5923007595.

The spelling of 255555008 in words is "two hundred fifty-five million, five hundred fifty-five thousand, eight".