255530250 has 72 divisors (see below), whose sum is σ = 693010188. Its totient is φ = 67939200.

The previous prime is 255530237. The next prime is 255530267. The reversal of 255530250 is 52035552.

255530250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 904401 + 254625849 = 951^2 + 15957^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 758082 + ... + 758418.

Almost surely, 2^255530250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255530250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346505094).

255530250 is an abundant number, since it is smaller than the sum of its proper divisors (437479938).

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

255530250 is an equidigital number, since it uses as much as digits as its factorization.

255530250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 255530250 is about 15985.3135721512. The cubic root of 255530250 is about 634.5718071370.

The spelling of 255530250 in words is "two hundred fifty-five million, five hundred thirty thousand, two hundred fifty".