2009055 has 16 divisors (see below), whose sum is σ = 3239424. Its totient is φ = 1063200.

The previous prime is 2009039. The next prime is 2009069. The reversal of 2009055 is 5509002.

It is not a de Polignac number, because 2009055 - 2⁴ = 2009039 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1822 + ... + 2708.

It is an arithmetic number, because the mean of its divisors is an integer number (202464).

2^2009055 is an apocalyptic number.

2009055 is a deficient number, since it is larger than the sum of its proper divisors (1230369).

2009055 is a wasteful number, since it uses less digits than its factorization.

2009055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 2009055 is about 1417.4113728907. The cubic root of 2009055 is about 126.1819618366.

The spelling of 2009055 in words is "two million, nine thousand, fifty-five".