2055781874 has 8 divisors (see below), whose sum is σ = 3245971440. Its totient is φ = 973791396.

The previous prime is 2055781873. The next prime is 2055781879. The reversal of 2055781874 is 4781875502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2055781874² = 8452478226933903752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2055781873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27049724 + ... + 27049799.

It is an arithmetic number, because the mean of its divisors is an integer number (405746430).

Almost surely, 2^2055781874 is an apocalyptic number.

2055781874 is a deficient number, since it is larger than the sum of its proper divisors (1190189566).

2055781874 is a wasteful number, since it uses less digits than its factorization.

2055781874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54099544.

The product of its (nonzero) digits is 627200, while the sum is 47.

The square root of 2055781874 is about 45340.7308498661. The cubic root of 2055781874 is about 1271.5272663011.

The spelling of 2055781874 in words is "two billion, fifty-five million, seven hundred eighty-one thousand, eight hundred seventy-four".