2053855 has 16 divisors (see below), whose sum is σ = 2653344. Its totient is φ = 1520640.

The previous prime is 2053847. The next prime is 2053859. The reversal of 2053855 is 5583502.

It is not a de Polignac number, because 2053855 - 2³ = 2053847 is a prime.

It is a super-2 number, since 2×2053855² = 8436640722050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2053859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6040 + ... + 6370.

It is an arithmetic number, because the mean of its divisors is an integer number (165834).

2^2053855 is an apocalyptic number.

2053855 is a deficient number, since it is larger than the sum of its proper divisors (599489).

2053855 is a wasteful number, since it uses less digits than its factorization.

2053855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 2053855 is about 1433.1276984275. The cubic root of 2053855 is about 127.1129876750.

The spelling of 2053855 in words is "two million, fifty-three thousand, eight hundred fifty-five".