2655850 has 12 divisors (see below), whose sum is σ = 4939974. Its totient is φ = 1062320.

The previous prime is 2655841. The next prime is 2655853. The reversal of 2655850 is 585562.

It can be written as a sum of positive squares in 3 ways, for example, as 2486929 + 168921 = 1577^2 + 411^2 .

It is not an unprimeable number, because it can be changed into a prime (2655853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26509 + ... + 26608.

2^2655850 is an apocalyptic number.

2655850 is a deficient number, since it is larger than the sum of its proper divisors (2284124).

2655850 is a wasteful number, since it uses less digits than its factorization.

2655850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53129 (or 53124 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 2655850 is about 1629.6778822823. The cubic root of 2655850 is about 138.4845043419.

Subtracting from 2655850 its product of nonzero digits (12000), we obtain a triangular number (2643850 = T₂₂₉₉).

It can be divided in two parts, 2655 and 850, that multiplied together give a triangular number (2256750 = T₂₁₂₄).

The spelling of 2655850 in words is "two million, six hundred fifty-five thousand, eight hundred fifty".