55616666793 has 4 divisors (see below), whose sum is σ = 74155555728. Its totient is φ = 37077777860.

The previous prime is 55616666719. The next prime is 55616666801. The reversal of 55616666793 is 39766661655.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55616666793 - 2⁸ = 55616666537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55616666393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9269444463 + ... + 9269444468.

It is an arithmetic number, because the mean of its divisors is an integer number (18538888932).

Almost surely, 2^55616666793 is an apocalyptic number.

It is an amenable number.

55616666793 is a deficient number, since it is larger than the sum of its proper divisors (18538888935).

55616666793 is a wasteful number, since it uses less digits than its factorization.

55616666793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18538888934.

The product of its digits is 36741600, while the sum is 60.

The spelling of 55616666793 in words is "fifty-five billion, six hundred sixteen million, six hundred sixty-six thousand, seven hundred ninety-three".