54530393 has 4 divisors (see below), whose sum is σ = 55092660. Its totient is φ = 53968128.

The previous prime is 54530383. The next prime is 54530417. The reversal of 54530393 is 39303545.

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 29899024 + 24631369 = 5468^2 + 4963^2 .

It is a cyclic number.

It is not a de Polignac number, because 54530393 - 2¹⁰ = 54529369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54530383) 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, 280988 + ... + 281181.

It is an arithmetic number, because the mean of its divisors is an integer number (13773165).

Almost surely, 2^54530393 is an apocalyptic number.

It is an amenable number.

54530393 is a deficient number, since it is larger than the sum of its proper divisors (562267).

54530393 is an equidigital number, since it uses as much as digits as its factorization.

54530393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562266.

The product of its (nonzero) digits is 24300, while the sum is 32.

The square root of 54530393 is about 7384.4697169127. The cubic root of 54530393 is about 379.2097914213.

The spelling of 54530393 in words is "fifty-four million, five hundred thirty thousand, three hundred ninety-three".