54536321 has 4 divisors (see below), whose sum is σ = 62327232. Its totient is φ = 46745412.

The previous prime is 54536291. The next prime is 54536333. The reversal of 54536321 is 12363545.

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 not a de Polignac number, because 54536321 - 2¹⁰ = 54535297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54536351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3895445 + ... + 3895458.

It is an arithmetic number, because the mean of its divisors is an integer number (15581808).

Almost surely, 2^54536321 is an apocalyptic number.

It is an amenable number.

54536321 is a deficient number, since it is larger than the sum of its proper divisors (7790911).

54536321 is an equidigital number, since it uses as much as digits as its factorization.

54536321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7790910.

The product of its digits is 10800, while the sum is 29.

The square root of 54536321 is about 7384.8710889223. The cubic root of 54536321 is about 379.2235322244.

Adding to 54536321 its reverse (12363545), we get a palindrome (66899866).

The spelling of 54536321 in words is "fifty-four million, five hundred thirty-six thousand, three hundred twenty-one".