56530105933537 has 2 divisors, whose sum is σ = 56530105933538. Its totient is φ = 56530105933536.

The previous prime is 56530105933507. The next prime is 56530105933573. The reversal of 56530105933537 is 73533950103565.

Together with next prime (56530105933573) 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., 42327827808256 + 14202278125281 = 6505984^2 + 3768591^2 .

It is a cyclic number.

It is not a de Polignac number, because 56530105933537 - 2⁷ = 56530105933409 is a prime.

It is a super-2 number, since 2×56530105933537² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56530105933507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28265052966768 + 28265052966769.

It is an arithmetic number, because the mean of its divisors is an integer number (28265052966769).

Almost surely, 2^{56530105933537} is an apocalyptic number.

It is an amenable number.

56530105933537 is a deficient number, since it is larger than the sum of its proper divisors (1).

56530105933537 is an equidigital number, since it uses as much as digits as its factorization.

56530105933537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19136250, while the sum is 55.

The spelling of 56530105933537 in words is "fifty-six trillion, five hundred thirty billion, one hundred five million, nine hundred thirty-three thousand, five hundred thirty-seven".