5255550 has 96 divisors (see below), whose sum is σ = 15400800. Its totient is φ = 1313280.

The previous prime is 5255531. The next prime is 5255561. The reversal of 5255550 is 555525.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22836 + ... + 23064.

It is an arithmetic number, because the mean of its divisors is an integer number (160425).

Almost surely, 2^5255550 is an apocalyptic number.

5255550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 5255550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7700400).

5255550 is an abundant number, since it is smaller than the sum of its proper divisors (10145250).

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

5255550 is a wasteful number, since it uses less digits than its factorization.

5255550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 27.

The square root of 5255550 is about 2292.4986368589. The cubic root of 5255550 is about 173.8625549547.

The spelling of 5255550 in words is "five million, two hundred fifty-five thousand, five hundred fifty".