320055533537 has 2 divisors, whose sum is σ = 320055533538. Its totient is φ = 320055533536.

The previous prime is 320055533527. The next prime is 320055533573. The reversal of 320055533537 is 735335550023.

Together with next prime (320055533573) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 317333928976 + 2721604561 = 563324^2 + 52169^2 .

It is a cyclic number.

It is not a de Polignac number, because 320055533537 - 2¹² = 320055529441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320055533494 and 320055533503.

It is not a weakly prime, because it can be changed into another prime (320055533527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160027766768 + 160027766769.

It is an arithmetic number, because the mean of its divisors is an integer number (160027766769).

Almost surely, 2^320055533537 is an apocalyptic number.

It is an amenable number.

320055533537 is a deficient number, since it is larger than the sum of its proper divisors (1).

320055533537 is an equidigital number, since it uses as much as digits as its factorization.

320055533537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 708750, while the sum is 41.

The spelling of 320055533537 in words is "three hundred twenty billion, fifty-five million, five hundred thirty-three thousand, five hundred thirty-seven".