54331271173 has 2 divisors, whose sum is σ = 54331271174. Its totient is φ = 54331271172.

The previous prime is 54331271149. The next prime is 54331271201. The reversal of 54331271173 is 37117213345.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53637633604 + 693637569 = 231598^2 + 26337^2 .

It is a cyclic number.

It is not a de Polignac number, because 54331271173 - 2³³ = 45741336581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54331271143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27165635586 + 27165635587.

It is an arithmetic number, because the mean of its divisors is an integer number (27165635587).

Almost surely, 2^54331271173 is an apocalyptic number.

It is an amenable number.

54331271173 is a deficient number, since it is larger than the sum of its proper divisors (1).

54331271173 is an equidigital number, since it uses as much as digits as its factorization.

54331271173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 37.

The spelling of 54331271173 in words is "fifty-four billion, three hundred thirty-one million, two hundred seventy-one thousand, one hundred seventy-three".