58056421720321 has 2 divisors, whose sum is σ = 58056421720322. Its totient is φ = 58056421720320.

The previous prime is 58056421720277. The next prime is 58056421720333. The reversal of 58056421720321 is 12302712465085.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55054990209025 + 3001431511296 = 7419905^2 + 1732464^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-58056421720321 is a prime.

It is a super-2 number, since 2×58056421720321² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (58056421720391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29028210860160 + 29028210860161.

It is an arithmetic number, because the mean of its divisors is an integer number (29028210860161).

Almost surely, 2^{58056421720321} is an apocalyptic number.

It is an amenable number.

58056421720321 is a deficient number, since it is larger than the sum of its proper divisors (1).

58056421720321 is an equidigital number, since it uses as much as digits as its factorization.

58056421720321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 58056421720321 in words is "fifty-eight trillion, fifty-six billion, four hundred twenty-one million, seven hundred twenty thousand, three hundred twenty-one".