54442331321 has 16 divisors (see below), whose sum is σ = 65508912000. Its totient is φ = 44199105408.

The previous prime is 54442331291. The next prime is 54442331323. The reversal of 54442331321 is 12313324445.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54442331321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54442331323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 597605 + ... + 682653.

It is an arithmetic number, because the mean of its divisors is an integer number (4094307000).

Almost surely, 2^54442331321 is an apocalyptic number.

It is an amenable number.

54442331321 is a deficient number, since it is larger than the sum of its proper divisors (11066580679).

54442331321 is a wasteful number, since it uses less digits than its factorization.

54442331321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89888.

The product of its digits is 34560, while the sum is 32.

Adding to 54442331321 its reverse (12313324445), we get a palindrome (66755655766).

The spelling of 54442331321 in words is "fifty-four billion, four hundred forty-two million, three hundred thirty-one thousand, three hundred twenty-one".