55668796765 has 16 divisors (see below), whose sum is σ = 67486543488. Its totient is φ = 44079500736.

The previous prime is 55668796763. The next prime is 55668796801. The reversal of 55668796765 is 56769786655.

It is a cyclic number.

It is not a de Polignac number, because 55668796765 - 2¹ = 55668796763 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55668796694 and 55668796703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55668796763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 988702 + ... + 1043488.

It is an arithmetic number, because the mean of its divisors is an integer number (4217908968).

Almost surely, 2^55668796765 is an apocalyptic number.

It is an amenable number.

55668796765 is a deficient number, since it is larger than the sum of its proper divisors (11817746723).

55668796765 is a wasteful number, since it uses less digits than its factorization.

55668796765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56868.

The product of its digits is 571536000, while the sum is 70.

The spelling of 55668796765 in words is "fifty-five billion, six hundred sixty-eight million, seven hundred ninety-six thousand, seven hundred sixty-five".