2050855 has 4 divisors (see below), whose sum is σ = 2461032. Its totient is φ = 1640680.

The previous prime is 2050849. The next prime is 2050877. The reversal of 2050855 is 5580502.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5580502 = 2 ⋅2790251.

It is not a de Polignac number, because 2050855 - 2⁵ = 2050823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205081 + ... + 205090.

It is an arithmetic number, because the mean of its divisors is an integer number (615258).

2^2050855 is an apocalyptic number.

2050855 is a deficient number, since it is larger than the sum of its proper divisors (410177).

2050855 is an equidigital number, since it uses as much as digits as its factorization.

2050855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410176.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 2050855 is about 1432.0806541532. The cubic root of 2050855 is about 127.0510675648.

The spelling of 2050855 in words is "two million, fifty thousand, eight hundred fifty-five".