2053666855 has 4 divisors (see below), whose sum is σ = 2464400232. Its totient is φ = 1642933480.

The previous prime is 2053666819. The next prime is 2053666891. The reversal of 2053666855 is 5586663502.

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 (2053666819) and next prime (2053666891).

It is not a de Polignac number, because 2053666855 - 2¹¹ = 2053664807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205366681 + ... + 205366690.

It is an arithmetic number, because the mean of its divisors is an integer number (616100058).

Almost surely, 2^2053666855 is an apocalyptic number.

2053666855 is a deficient number, since it is larger than the sum of its proper divisors (410733377).

2053666855 is an equidigital number, since it uses as much as digits as its factorization.

2053666855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410733376.

The product of its (nonzero) digits is 1296000, while the sum is 46.

The square root of 2053666855 is about 45317.4012383764. The cubic root of 2053666855 is about 1271.0910612812.

The spelling of 2053666855 in words is "two billion, fifty-three million, six hundred sixty-six thousand, eight hundred fifty-five".