54055321321 has 4 divisors (see below), whose sum is σ = 54096242644. Its totient is φ = 54014400000.

The previous prime is 54055321279. The next prime is 54055321337. The reversal of 54055321321 is 12312355045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12312355045 = 5 ⋅2462471009.

It can be written as a sum of positive squares in 2 ways, for example, as 34247573721 + 19807747600 = 185061^2 + 140740^2 .

It is a cyclic number.

It is not a de Polignac number, because 54055321321 - 2⁷ = 54055321193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54055321351) 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, 20458680 + ... + 20461321.

It is an arithmetic number, because the mean of its divisors is an integer number (13524060661).

Almost surely, 2^54055321321 is an apocalyptic number.

It is an amenable number.

54055321321 is a deficient number, since it is larger than the sum of its proper divisors (40921323).

54055321321 is a wasteful number, since it uses less digits than its factorization.

54055321321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40921322.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 54055321321 its reverse (12312355045), we get a palindrome (66367676366).

The spelling of 54055321321 in words is "fifty-four billion, fifty-five million, three hundred twenty-one thousand, three hundred twenty-one".