2055506 has 4 divisors (see below), whose sum is σ = 3083262. Its totient is φ = 1027752.

The previous prime is 2055503. The next prime is 2055509. The reversal of 2055506 is 6055502.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2055503) and next prime (2055509).

It can be written as a sum of positive squares in only one way, i.e., 1985281 + 70225 = 1409^2 + 265^2 .

It is not an unprimeable number, because it can be changed into a prime (2055503) by changing a digit.

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 as a sum of consecutive naturals, namely, 513875 + ... + 513878.

2^2055506 is an apocalyptic number.

2055506 is a deficient number, since it is larger than the sum of its proper divisors (1027756).

2055506 is a wasteful number, since it uses less digits than its factorization.

2055506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027755.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 2055506 is about 1433.7035955873. The cubic root of 2055506 is about 127.1470386563.

The spelling of 2055506 in words is "two million, fifty-five thousand, five hundred six".