52536745993 has 2 divisors, whose sum is σ = 52536745994. Its totient is φ = 52536745992.

The previous prime is 52536745973. The next prime is 52536746021. The reversal of 52536745993 is 39954763525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43392222864 + 9144523129 = 208308^2 + 95627^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52536745993 is a prime.

It is not a weakly prime, because it can be changed into another prime (52536745973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26268372996 + 26268372997.

It is an arithmetic number, because the mean of its divisors is an integer number (26268372997).

Almost surely, 2^52536745993 is an apocalyptic number.

It is an amenable number.

52536745993 is a deficient number, since it is larger than the sum of its proper divisors (1).

52536745993 is an equidigital number, since it uses as much as digits as its factorization.

52536745993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30618000, while the sum is 58.

The spelling of 52536745993 in words is "fifty-two billion, five hundred thirty-six million, seven hundred forty-five thousand, nine hundred ninety-three".