56064272321 has 2 divisors, whose sum is σ = 56064272322. Its totient is φ = 56064272320.

The previous prime is 56064272309. The next prime is 56064272377. The reversal of 56064272321 is 12327246065.

56064272321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49990252225 + 6074020096 = 223585^2 + 77936^2 .

It is a cyclic number.

It is not a de Polignac number, because 56064272321 - 2¹⁰ = 56064271297 is a prime.

It is not a weakly prime, because it can be changed into another prime (56064272821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28032136160 + 28032136161.

It is an arithmetic number, because the mean of its divisors is an integer number (28032136161).

Almost surely, 2^56064272321 is an apocalyptic number.

It is an amenable number.

56064272321 is a deficient number, since it is larger than the sum of its proper divisors (1).

56064272321 is an equidigital number, since it uses as much as digits as its factorization.

56064272321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 56064272321 in words is "fifty-six billion, sixty-four million, two hundred seventy-two thousand, three hundred twenty-one".