2055781312 has 28 divisors (see below), whose sum is σ = 4393245976. Its totient is φ = 948821760.

The previous prime is 2055781307. The next prime is 2055781411. The reversal of 2055781312 is 2131875502.

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, 1234614 + ... + 1236277.

It is an arithmetic number, because the mean of its divisors is an integer number (156901642).

Almost surely, 2^2055781312 is an apocalyptic number.

It is an amenable number.

2055781312 is an abundant number, since it is smaller than the sum of its proper divisors (2337464664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2055781312 is a wasteful number, since it uses less digits than its factorization.

2055781312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2470916 (or 2470906 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 2055781312 is about 45340.7246523476. The cubic root of 2055781312 is about 1271.5271504331.

The spelling of 2055781312 in words is "two billion, fifty-five million, seven hundred eighty-one thousand, three hundred twelve".