54535321 has 4 divisors (see below), whose sum is σ = 54555700. Its totient is φ = 54514944.

The previous prime is 54535297. The next prime is 54535343. The reversal of 54535321 is 12353545.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35569296 + 18966025 = 5964^2 + 4355^2 .

It is a cyclic number.

It is not a de Polignac number, because 54535321 - 2¹¹ = 54533273 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54535321.

It is not an unprimeable number, because it can be changed into a prime (54535361) 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, 5436 + ... + 11773.

It is an arithmetic number, because the mean of its divisors is an integer number (13638925).

Almost surely, 2^54535321 is an apocalyptic number.

It is an amenable number.

54535321 is a deficient number, since it is larger than the sum of its proper divisors (20379).

54535321 is a wasteful number, since it uses less digits than its factorization.

54535321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20378.

The product of its digits is 9000, while the sum is 28.

The square root of 54535321 is about 7384.8033826230. The cubic root of 54535321 is about 379.2212143450.

Adding to 54535321 its reverse (12353545), we get a palindrome (66888866).

The spelling of 54535321 in words is "fifty-four million, five hundred thirty-five thousand, three hundred twenty-one".