55669377575568 has 20 divisors (see below), whose sum is σ = 143812558737008. Its totient is φ = 18556459191840.

The previous prime is 55669377575531. The next prime is 55669377575579. The reversal of 55669377575568 is 86557577396655.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579889349698 + ... + 579889349793.

Almost surely, 2^{55669377575568} is an apocalyptic number.

It is an amenable number.

55669377575568 is an abundant number, since it is smaller than the sum of its proper divisors (88143181161440).

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

55669377575568 is a wasteful number, since it uses less digits than its factorization.

55669377575568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159778699502 (or 1159778699496 counting only the distinct ones).

The product of its digits is 50009400000, while the sum is 84.

The spelling of 55669377575568 in words is "fifty-five trillion, six hundred sixty-nine billion, three hundred seventy-seven million, five hundred seventy-five thousand, five hundred sixty-eight".