55446738666673 has 8 divisors (see below), whose sum is σ = 55456450580160. Its totient is φ = 55437027405360.

The previous prime is 55446738666667. The next prime is 55446738666677. The reversal of 55446738666673 is 37666683764455.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55446738666673 - 2²⁵ = 55446705112241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55446738666673.

It is not an unprimeable number, because it can be changed into a prime (55446738666677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188666518 + ... + 188960176.

It is an arithmetic number, because the mean of its divisors is an integer number (6932056322520).

Almost surely, 2^{55446738666673} is an apocalyptic number.

It is an amenable number.

55446738666673 is a deficient number, since it is larger than the sum of its proper divisors (9711913487).

55446738666673 is a wasteful number, since it uses less digits than its factorization.

55446738666673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326087.

The product of its digits is 10973491200, while the sum is 76.

The spelling of 55446738666673 in words is "fifty-five trillion, four hundred forty-six billion, seven hundred thirty-eight million, six hundred sixty-six thousand, six hundred seventy-three".