2780330055 has 16 divisors (see below), whose sum is σ = 4449300864. Its totient is φ = 1482585120.

The previous prime is 2780330027. The next prime is 2780330081. The reversal of 2780330055 is 5500330872.

2780330055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2780330055 - 2¹² = 2780325959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2780329998 and 2780330025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100260 + ... + 124950.

It is an arithmetic number, because the mean of its divisors is an integer number (278081304).

Almost surely, 2^2780330055 is an apocalyptic number.

2780330055 is a deficient number, since it is larger than the sum of its proper divisors (1668970809).

2780330055 is a wasteful number, since it uses less digits than its factorization.

2780330055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32206.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 2780330055 is about 52728.8351379015. The cubic root of 2780330055 is about 1406.1515118382.

The spelling of 2780330055 in words is "two billion, seven hundred eighty million, three hundred thirty thousand, fifty-five".