53331346054321 has 2 divisors, whose sum is σ = 53331346054322. Its totient is φ = 53331346054320.

The previous prime is 53331346054309. The next prime is 53331346054403. The reversal of 53331346054321 is 12345064313335.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38090325253696 + 15241020800625 = 6171736^2 + 3903975^2 .

It is a cyclic number.

It is not a de Polignac number, because 53331346054321 - 2¹³ = 53331346046129 is a prime.

It is not a weakly prime, because it can be changed into another prime (53331346052321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26665673027160 + 26665673027161.

It is an arithmetic number, because the mean of its divisors is an integer number (26665673027161).

Almost surely, 2^{53331346054321} is an apocalyptic number.

It is an amenable number.

53331346054321 is a deficient number, since it is larger than the sum of its proper divisors (1).

53331346054321 is an equidigital number, since it uses as much as digits as its factorization.

53331346054321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1166400, while the sum is 43.

The spelling of 53331346054321 in words is "fifty-three trillion, three hundred thirty-one billion, three hundred forty-six million, fifty-four thousand, three hundred twenty-one".