54513330552321 has 4 divisors (see below), whose sum is σ = 72684440736432. Its totient is φ = 36342220368212.

The previous prime is 54513330552299. The next prime is 54513330552353. The reversal of 54513330552321 is 12325503331545.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54513330552321 - 2¹⁹ = 54513330028033 is a prime.

It is a super-2 number, since 2×54513330552321² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54513330552371) 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, 9085555092051 + ... + 9085555092056.

It is an arithmetic number, because the mean of its divisors is an integer number (18171110184108).

Almost surely, 2^{54513330552321} is an apocalyptic number.

It is an amenable number.

54513330552321 is a deficient number, since it is larger than the sum of its proper divisors (18171110184111).

54513330552321 is a wasteful number, since it uses less digits than its factorization.

54513330552321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18171110184110.

The product of its (nonzero) digits is 810000, while the sum is 42.

Adding to 54513330552321 its reverse (12325503331545), we get a palindrome (66838833883866).

The spelling of 54513330552321 in words is "fifty-four trillion, five hundred thirteen billion, three hundred thirty million, five hundred fifty-two thousand, three hundred twenty-one".