54273122173 has 4 divisors (see below), whose sum is σ = 54469054300. Its totient is φ = 54077190048.

The previous prime is 54273122161. The next prime is 54273122203. The reversal of 54273122173 is 37122137245.

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 37449216324 + 16823905849 = 193518^2 + 129707^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54273122173 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 (54273122273) 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, 97965648 + ... + 97966201.

It is an arithmetic number, because the mean of its divisors is an integer number (13617263575).

Almost surely, 2^54273122173 is an apocalyptic number.

It is an amenable number.

54273122173 is a deficient number, since it is larger than the sum of its proper divisors (195932127).

54273122173 is a wasteful number, since it uses less digits than its factorization.

54273122173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195932126.

The product of its digits is 70560, while the sum is 37.

The spelling of 54273122173 in words is "fifty-four billion, two hundred seventy-three million, one hundred twenty-two thousand, one hundred seventy-three".