55318465522343 has 4 divisors (see below), whose sum is σ = 57102932152128. Its totient is φ = 53533998892560.

The previous prime is 55318465522303. The next prime is 55318465522357. The reversal of 55318465522343 is 34322556481355.

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

It is a cyclic number.

It is not a de Polignac number, because 55318465522343 - 2³⁸ = 55043587615399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55318465522303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 892233314846 + ... + 892233314907.

It is an arithmetic number, because the mean of its divisors is an integer number (14275733038032).

Almost surely, 2^{55318465522343} is an apocalyptic number.

55318465522343 is a deficient number, since it is larger than the sum of its proper divisors (1784466629785).

55318465522343 is a wasteful number, since it uses less digits than its factorization.

55318465522343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784466629784.

The product of its digits is 51840000, while the sum is 56.

The spelling of 55318465522343 in words is "fifty-five trillion, three hundred eighteen billion, four hundred sixty-five million, five hundred twenty-two thousand, three hundred forty-three".