55345570734673 has 4 divisors (see below), whose sum is σ = 55362563544420. Its totient is φ = 55328577924928.

The previous prime is 55345570734647. The next prime is 55345570734677. The reversal of 55345570734673 is 37643707554355.

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

It can be written as a sum of positive squares in 2 ways, for example, as 40609622914624 + 14735947820049 = 6372568^2 + 3838743^2 .

It is a cyclic number.

It is not a de Polignac number, because 55345570734673 - 2⁹ = 55345570734161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55345570734677) 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, 8496399988 + ... + 8496406501.

It is an arithmetic number, because the mean of its divisors is an integer number (13840640886105).

Almost surely, 2^{55345570734673} is an apocalyptic number.

It is an amenable number.

55345570734673 is a deficient number, since it is larger than the sum of its proper divisors (16992809747).

55345570734673 is a wasteful number, since it uses less digits than its factorization.

55345570734673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16992809746.

The product of its (nonzero) digits is 555660000, while the sum is 64.

The spelling of 55345570734673 in words is "fifty-five trillion, three hundred forty-five billion, five hundred seventy million, seven hundred thirty-four thousand, six hundred seventy-three".