5655559079280 has 960 divisors, whose sum is σ = 21138351058944. Its totient is φ = 1244789145600.

The previous prime is 5655559079251. The next prime is 5655559079311. The reversal of 5655559079280 is 829709555565.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1647408444 + ... + 1647411876.

Almost surely, 2^{5655559079280} 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 5655559079280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10569175529472).

5655559079280 is an abundant number, since it is smaller than the sum of its proper divisors (15482791979664).

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

5655559079280 is a wasteful number, since it uses less digits than its factorization.

5655559079280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3606 (or 3589 counting only the distinct ones).

The product of its (nonzero) digits is 170100000, while the sum is 66.

The spelling of 5655559079280 in words is "five trillion, six hundred fifty-five billion, five hundred fifty-nine million, seventy-nine thousand, two hundred eighty".