54602321 has 4 divisors (see below), whose sum is σ = 55350372. Its totient is φ = 53854272.

The previous prime is 54602279. The next prime is 54602329. The reversal of 54602321 is 12320645.

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 9859600 + 44742721 = 3140^2 + 6689^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54602321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54602329) 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, 373916 + ... + 374061.

It is an arithmetic number, because the mean of its divisors is an integer number (13837593).

Almost surely, 2^54602321 is an apocalyptic number.

It is an amenable number.

54602321 is a deficient number, since it is larger than the sum of its proper divisors (748051).

54602321 is an equidigital number, since it uses as much as digits as its factorization.

54602321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748050.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 54602321 is about 7389.3383330309. The cubic root of 54602321 is about 379.3764496614.

Adding to 54602321 its reverse (12320645), we get a palindrome (66922966).

The spelling of 54602321 in words is "fifty-four million, six hundred two thousand, three hundred twenty-one".