2550216 has 32 divisors (see below), whose sum is σ = 6487200. Its totient is φ = 835200.

The previous prime is 2550209. The next prime is 2550253. The reversal of 2550216 is 6120552.

2550216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2550192 and 2550201.

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 7 ways as a sum of consecutive naturals, for example, 516 + ... + 2316.

It is an arithmetic number, because the mean of its divisors is an integer number (202725).

2^2550216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2550216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3243600).

2550216 is an abundant number, since it is smaller than the sum of its proper divisors (3936984).

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

2550216 is a wasteful number, since it uses less digits than its factorization.

2550216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1869 (or 1865 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2550216 is about 1596.9395730584. The cubic root of 2550216 is about 136.6235781938.

Adding to 2550216 its reverse (6120552), we get a palindrome (8670768).

The spelling of 2550216 in words is "two million, five hundred fifty thousand, two hundred sixteen".