55643314993 has 12 divisors (see below), whose sum is σ = 66105130752. Its totient is φ = 46679496360.

The previous prime is 55643314957. The next prime is 55643315017. The reversal of 55643314993 is 39941334655.

It is not a de Polignac number, because 55643314993 - 2²⁵ = 55609760561 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 55643314993.

It is not an unprimeable number, because it can be changed into a prime (55643314093) 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 11 ways as a sum of consecutive naturals, for example, 12078313 + ... + 12082918.

It is an arithmetic number, because the mean of its divisors is an integer number (5508760896).

Almost surely, 2^55643314993 is an apocalyptic number.

It is an amenable number.

55643314993 is a deficient number, since it is larger than the sum of its proper divisors (10461815759).

55643314993 is a wasteful number, since it uses less digits than its factorization.

55643314993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24161292 (or 24161285 counting only the distinct ones).

The product of its digits is 5248800, while the sum is 52.

The spelling of 55643314993 in words is "fifty-five billion, six hundred forty-three million, three hundred fourteen thousand, nine hundred ninety-three".