5525000 has 96 divisors (see below), whose sum is σ = 14764680. Its totient is φ = 1920000.

The previous prime is 5524999. The next prime is 5525041. The reversal of 5525000 is 5255.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 2815684 + 2709316 = 1678^2 + 1646^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 5525000.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 324992 + ... + 325008.

Almost surely, 2^5525000 is an apocalyptic number.

5525000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5525000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7382340).

5525000 is an abundant number, since it is smaller than the sum of its proper divisors (9239680).

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

5525000 is a wasteful number, since it uses less digits than its factorization.

5525000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61 (or 37 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 17.

The square root of 5525000 is about 2350.5318547086. The cubic root of 5525000 is about 176.7844631898.

The spelling of 5525000 in words is "five million, five hundred twenty-five thousand".