2055615 has 16 divisors (see below), whose sum is σ = 3366528. Its totient is φ = 1070496.

The previous prime is 2055611. The next prime is 2055637. The reversal of 2055615 is 5165502.

It is not a de Polignac number, because 2055615 - 2² = 2055611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2055611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 949 + ... + 2238.

It is an arithmetic number, because the mean of its divisors is an integer number (210408).

2^2055615 is an apocalyptic number.

2055615 is a deficient number, since it is larger than the sum of its proper divisors (1310913).

2055615 is a wasteful number, since it uses less digits than its factorization.

2055615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3238.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 2055615 is about 1433.7416085195. The cubic root of 2055615 is about 127.1492860806.

The spelling of 2055615 in words is "two million, fifty-five thousand, six hundred fifteen".