2655545890 has 16 divisors (see below), whose sum is σ = 4793764032. Its totient is φ = 1059155824.

The previous prime is 2655545803. The next prime is 2655545903. The reversal of 2655545890 is 985455562.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379174 + ... + 386113.

It is an arithmetic number, because the mean of its divisors is an integer number (299610252).

Almost surely, 2^2655545890 is an apocalyptic number.

2655545890 is a deficient number, since it is larger than the sum of its proper divisors (2138218142).

2655545890 is a wasteful number, since it uses less digits than its factorization.

2655545890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765641.

The product of its (nonzero) digits is 2160000, while the sum is 49.

The square root of 2655545890 is about 51531.9889971268. The cubic root of 2655545890 is about 1384.7921838444.

The spelling of 2655545890 in words is "two billion, six hundred fifty-five million, five hundred forty-five thousand, eight hundred ninety".