5655258820 has 24 divisors (see below), whose sum is σ = 11910087000. Its totient is φ = 2255619072.

The previous prime is 5655258797. The next prime is 5655258839. The reversal of 5655258820 is 288525565.

It can be written as a sum of positive squares in 4 ways, for example, as 122279364 + 5532979456 = 11058^2 + 74384^2 .

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, 398125 + ... + 412084.

It is an arithmetic number, because the mean of its divisors is an integer number (496253625).

Almost surely, 2^5655258820 is an apocalyptic number.

It is an amenable number.

5655258820 is an abundant number, since it is smaller than the sum of its proper divisors (6254828180).

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

5655258820 is a wasteful number, since it uses less digits than its factorization.

5655258820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810567 (or 810565 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 46.

The square root of 5655258820 is about 75201.4549061386. The cubic root of 5655258820 is about 1781.6299109303.

The spelling of 5655258820 in words is "five billion, six hundred fifty-five million, two hundred fifty-eight thousand, eight hundred twenty".