5255500250 has 128 divisors (see below), whose sum is σ = 13210089984. Its totient is φ = 1512000000.

The previous prime is 5255500247. The next prime is 5255500267. The reversal of 5255500250 is 520055525.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 239750 + ... + 260750.

It is an arithmetic number, because the mean of its divisors is an integer number (103203828).

Almost surely, 2^5255500250 is an apocalyptic number.

5255500250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5255500250 is an abundant number, since it is smaller than the sum of its proper divisors (7954589734).

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

5255500250 is a wasteful number, since it uses less digits than its factorization.

5255500250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21049 (or 21039 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 29.

The square root of 5255500250 is about 72494.8291259453. The cubic root of 5255500250 is about 1738.6200634798.

Adding to 5255500250 its reverse (520055525), we get a palindrome (5775555775).

It can be divided in two parts, 5255 and 500250, that added together give a palindrome (505505).

The spelling of 5255500250 in words is "five billion, two hundred fifty-five million, five hundred thousand, two hundred fifty".