54140232321 has 12 divisors (see below), whose sum is σ = 89374351872. Its totient is φ = 30937275576.

The previous prime is 54140232281. The next prime is 54140232389. The reversal of 54140232321 is 12323204145.

It is not a de Polignac number, because 54140232321 - 2¹⁸ = 54139970177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54140232121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 429684321 + ... + 429684446.

It is an arithmetic number, because the mean of its divisors is an integer number (7447862656).

Almost surely, 2^54140232321 is an apocalyptic number.

It is an amenable number.

54140232321 is a deficient number, since it is larger than the sum of its proper divisors (35234119551).

54140232321 is a wasteful number, since it uses less digits than its factorization.

54140232321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859368780 (or 859368777 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 54140232321 its reverse (12323204145), we get a palindrome (66463436466).

The spelling of 54140232321 in words is "fifty-four billion, one hundred forty million, two hundred thirty-two thousand, three hundred twenty-one".