2055216 has 40 divisors (see below), whose sum is σ = 5428224. Its totient is φ = 669760.

The previous prime is 2055203. The next prime is 2055217. The reversal of 2055216 is 6125502.

It is a junction number, because it is equal to n+sod(n) for n = 2055192 and 2055201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2055217) by changing a digit.

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, 1801 + ... + 2711.

2^2055216 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 2055216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2714112).

2055216 is an abundant number, since it is smaller than the sum of its proper divisors (3373008).

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

2055216 is a wasteful number, since it uses less digits than its factorization.

2055216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969 (or 963 counting only the distinct ones).

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

The square root of 2055216 is about 1433.6024553550. The cubic root of 2055216 is about 127.1410588837.

The spelling of 2055216 in words is "two million, fifty-five thousand, two hundred sixteen".