55968173966 has 4 divisors (see below), whose sum is σ = 83952260952. Its totient is φ = 27984086982.

The previous prime is 55968173879. The next prime is 55968173983. The reversal of 55968173966 is 66937186955.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13992043490 + ... + 13992043493.

It is an arithmetic number, because the mean of its divisors is an integer number (20988065238).

Almost surely, 2^55968173966 is an apocalyptic number.

55968173966 is a deficient number, since it is larger than the sum of its proper divisors (27984086986).

55968173966 is a wasteful number, since it uses less digits than its factorization.

55968173966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27984086985.

The product of its digits is 73483200, while the sum is 65.

The spelling of 55968173966 in words is "fifty-five billion, nine hundred sixty-eight million, one hundred seventy-three thousand, nine hundred sixty-six".