2055330 has 48 divisors (see below), whose sum is σ = 5484024. Its totient is φ = 533760.

The previous prime is 2055311. The next prime is 2055337. The reversal of 2055330 is 335502.

It can be written as a sum of positive squares in 4 ways, for example, as 622521 + 1432809 = 789^2 + 1197^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2055337) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3412 + ... + 3968.

2^2055330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2055330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2742012).

2055330 is an abundant number, since it is smaller than the sum of its proper divisors (3428694).

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

2055330 is a wasteful number, since it uses less digits than its factorization.

2055330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611 (or 608 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 18.

The square root of 2055330 is about 1433.6422147802. The cubic root of 2055330 is about 127.1434096200.

The spelling of 2055330 in words is "two million, fifty-five thousand, three hundred thirty".