2055105657 has 24 divisors (see below), whose sum is σ = 3239859168. Its totient is φ = 1244937600.

The previous prime is 2055105649. The next prime is 2055105659. The reversal of 2055105657 is 7565015502.

It is a happy number.

2055105657 is a `hidden beast` number, since 2 + 0 + 551 + 0 + 56 + 57 = 666.

It is not a de Polignac number, because 2055105657 - 2³ = 2055105649 is a prime.

It is a super-2 number, since 2×2055105657² = 8446918522866803298, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2055105659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 313857 + ... + 320337.

It is an arithmetic number, because the mean of its divisors is an integer number (134994132).

Almost surely, 2^2055105657 is an apocalyptic number.

It is an amenable number.

2055105657 is a deficient number, since it is larger than the sum of its proper divisors (1184753511).

2055105657 is a wasteful number, since it uses less digits than its factorization.

2055105657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9701 (or 9698 counting only the distinct ones).

The product of its (nonzero) digits is 52500, while the sum is 36.

The square root of 2055105657 is about 45333.2731776562. The cubic root of 2055105657 is about 1271.3878347370.

The spelling of 2055105657 in words is "two billion, fifty-five million, one hundred five thousand, six hundred fifty-seven".