54502321 has 2 divisors, whose sum is σ = 54502322. Its totient is φ = 54502320.

The previous prime is 54502313. The next prime is 54502333. The reversal of 54502321 is 12320545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52056225 + 2446096 = 7215^2 + 1564^2 .

It is a cyclic number.

It is not a de Polignac number, because 54502321 - 2³ = 54502313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54502292 and 54502301.

It is not a weakly prime, because it can be changed into another prime (54502351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27251160 + 27251161.

It is an arithmetic number, because the mean of its divisors is an integer number (27251161).

Almost surely, 2^54502321 is an apocalyptic number.

It is an amenable number.

54502321 is a deficient number, since it is larger than the sum of its proper divisors (1).

54502321 is an equidigital number, since it uses as much as digits as its factorization.

54502321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 54502321 is about 7382.5687263987. The cubic root of 54502321 is about 379.1447084226.

Adding to 54502321 its reverse (12320545), we get a palindrome (66822866).

The spelling of 54502321 in words is "fifty-four million, five hundred two thousand, three hundred twenty-one".