2055979681 has 12 divisors (see below), whose sum is σ = 2393904240. Its totient is φ = 1760607240.

The previous prime is 2055979669. The next prime is 2055979733. The reversal of 2055979681 is 1869795502.

It is not a de Polignac number, because 2055979681 - 2¹¹ = 2055977633 is a prime.

It is a super-2 number, since 2×2055979681² = 8454104897369723522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2055979381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34230 + ... + 72688.

It is an arithmetic number, because the mean of its divisors is an integer number (199492020).

Almost surely, 2^2055979681 is an apocalyptic number.

It is an amenable number.

2055979681 is a deficient number, since it is larger than the sum of its proper divisors (337924559).

2055979681 is a wasteful number, since it uses less digits than its factorization.

2055979681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39564 (or 39557 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 52.

The square root of 2055979681 is about 45342.9121362976. The cubic root of 2055979681 is about 1271.5680470426.

The spelling of 2055979681 in words is "two billion, fifty-five million, nine hundred seventy-nine thousand, six hundred eighty-one".