54105002321 has 2 divisors, whose sum is σ = 54105002322. Its totient is φ = 54105002320.

The previous prime is 54105002317. The next prime is 54105002387. The reversal of 54105002321 is 12320050145.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53536704400 + 568297921 = 231380^2 + 23839^2 .

It is a cyclic number.

It is not a de Polignac number, because 54105002321 - 2² = 54105002317 is a prime.

It is not a weakly prime, because it can be changed into another prime (54105007321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27052501160 + 27052501161.

It is an arithmetic number, because the mean of its divisors is an integer number (27052501161).

Almost surely, 2^54105002321 is an apocalyptic number.

It is an amenable number.

54105002321 is a deficient number, since it is larger than the sum of its proper divisors (1).

54105002321 is an equidigital number, since it uses as much as digits as its factorization.

54105002321 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 23.

Adding to 54105002321 its reverse (12320050145), we get a palindrome (66425052466).

The spelling of 54105002321 in words is "fifty-four billion, one hundred five million, two thousand, three hundred twenty-one".