55680667856 has 40 divisors (see below), whose sum is σ = 121485105408. Its totient is φ = 24492960000.

The previous prime is 55680667771. The next prime is 55680667877. The reversal of 55680667856 is 65876608655.

55680667856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5097245 + ... + 5108156.

Almost surely, 2^55680667856 is an apocalyptic number.

It is an amenable number.

55680667856 is an abundant number, since it is smaller than the sum of its proper divisors (65804437552).

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

55680667856 is a wasteful number, since it uses less digits than its factorization.

55680667856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10205451 (or 10205445 counting only the distinct ones).

The product of its (nonzero) digits is 72576000, while the sum is 62.

The spelling of 55680667856 in words is "fifty-five billion, six hundred eighty million, six hundred sixty-seven thousand, eight hundred fifty-six".