54324545921 has 8 divisors (see below), whose sum is σ = 54625944360. Its totient is φ = 54023977728.

The previous prime is 54324545903. The next prime is 54324545923. The reversal of 54324545921 is 12954542345.

It can be written as a sum of positive squares in 4 ways, for example, as 54184321 + 54270361600 = 7361^2 + 232960^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54324545921 - 2¹⁸ = 54324283777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54324545923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76106 + ... + 338291.

It is an arithmetic number, because the mean of its divisors is an integer number (6828243045).

Almost surely, 2^54324545921 is an apocalyptic number.

It is an amenable number.

54324545921 is a deficient number, since it is larger than the sum of its proper divisors (301398439).

54324545921 is a wasteful number, since it uses less digits than its factorization.

54324545921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415123.

The product of its digits is 864000, while the sum is 44.

The spelling of 54324545921 in words is "fifty-four billion, three hundred twenty-four million, five hundred forty-five thousand, nine hundred twenty-one".