4255506 has 48 divisors (see below), whose sum is σ = 10146240. Its totient is φ = 1283040.

The previous prime is 4255501. The next prime is 4255519. The reversal of 4255506 is 6055524.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4255506.

It is not an unprimeable number, because it can be changed into a prime (4255501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7596 + ... + 8136.

It is an arithmetic number, because the mean of its divisors is an integer number (211380).

Almost surely, 2^4255506 is an apocalyptic number.

4255506 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 4255506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5073120).

4255506 is an abundant number, since it is smaller than the sum of its proper divisors (5890734).

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

4255506 is a wasteful number, since it uses less digits than its factorization.

4255506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 4255506 is about 2062.8877817274. The cubic root of 4255506 is about 162.0505100843.

It can be divided in two parts, 4255 and 506, that added together give a square (4761 = 69²).

The spelling of 4255506 in words is "four million, two hundred fifty-five thousand, five hundred six".