5655911808 has 128 divisors (see below), whose sum is σ = 15772953600. Its totient is φ = 1793341440.

The previous prime is 5655911743. The next prime is 5655911813. The reversal of 5655911808 is 8081195565.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 698310 + ... + 706362.

It is an arithmetic number, because the mean of its divisors is an integer number (123226200).

Almost surely, 2^5655911808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5655911808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7886476800).

5655911808 is an abundant number, since it is smaller than the sum of its proper divisors (10117041792).

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

5655911808 is a wasteful number, since it uses less digits than its factorization.

5655911808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8160 (or 8148 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 48.

The square root of 5655911808 is about 75205.7963723542. The cubic root of 5655911808 is about 1781.6984806289.

The spelling of 5655911808 in words is "five billion, six hundred fifty-five million, nine hundred eleven thousand, eight hundred eight".