8555256 has 48 divisors (see below), whose sum is σ = 23924160. Its totient is φ = 2759040.

The previous prime is 8555227. The next prime is 8555279. The reversal of 8555256 is 6525558.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 8555256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 316 + ... + 4148.

It is an arithmetic number, because the mean of its divisors is an integer number (498420).

Almost surely, 2^8555256 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 8555256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11962080).

8555256 is an abundant number, since it is smaller than the sum of its proper divisors (15368904).

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

8555256 is a wasteful number, since it uses less digits than its factorization.

8555256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3876 (or 3869 counting only the distinct ones).

The product of its digits is 60000, while the sum is 36.

The square root of 8555256 is about 2924.9369223968. The cubic root of 8555256 is about 204.5240276006.

The spelling of 8555256 in words is "eight million, five hundred fifty-five thousand, two hundred fifty-six".