2055683478 has 16 divisors (see below), whose sum is σ = 4112580096. Its totient is φ = 685025640.

The previous prime is 2055683453. The next prime is 2055683491. The reversal of 2055683478 is 8743865502.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27726 + ... + 69857.

It is an arithmetic number, because the mean of its divisors is an integer number (257036256).

Almost surely, 2^2055683478 is an apocalyptic number.

2055683478 is an abundant number, since it is smaller than the sum of its proper divisors (2056896618).

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

2055683478 is a wasteful number, since it uses less digits than its factorization.

2055683478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101099.

The product of its (nonzero) digits is 1612800, while the sum is 48.

The square root of 2055683478 is about 45339.6457639448. The cubic root of 2055683478 is about 1271.5069795845.

The spelling of 2055683478 in words is "two billion, fifty-five million, six hundred eighty-three thousand, four hundred seventy-eight".