2106550 has 12 divisors (see below), whose sum is σ = 3918276. Its totient is φ = 842600.

The previous prime is 2106529. The next prime is 2106551. The reversal of 2106550 is 556012.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106551) 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, 21016 + ... + 21115.

It is an arithmetic number, because the mean of its divisors is an integer number (326523).

2^2106550 is an apocalyptic number.

2106550 is a deficient number, since it is larger than the sum of its proper divisors (1811726).

2106550 is a wasteful number, since it uses less digits than its factorization.

2106550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42143 (or 42138 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 2106550 is about 1451.3958798343. The cubic root of 2106550 is about 128.1909178951.

It can be divided in two parts, 21065 and 50, that added together give a triangular number (21115 = T₂₀₅).

The spelling of 2106550 in words is "two million, one hundred six thousand, five hundred fifty".