54494772329 has 4 divisors (see below), whose sum is σ = 54500054484. Its totient is φ = 54489490176.

The previous prime is 54494772317. The next prime is 54494772389. The reversal of 54494772329 is 92327749445.

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 683299600 + 53811472729 = 26140^2 + 231973^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54494772329 is a prime.

It is a super-2 number, since 2×54494772329² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54494772389) 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, 2625572 + ... + 2646245.

It is an arithmetic number, because the mean of its divisors is an integer number (13625013621).

Almost surely, 2^54494772329 is an apocalyptic number.

It is an amenable number.

54494772329 is a deficient number, since it is larger than the sum of its proper divisors (5282155).

54494772329 is a wasteful number, since it uses less digits than its factorization.

54494772329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5282154.

The product of its digits is 15240960, while the sum is 56.

The spelling of 54494772329 in words is "fifty-four billion, four hundred ninety-four million, seven hundred seventy-two thousand, three hundred twenty-nine".