52544565235139 has 2 divisors, whose sum is σ = 52544565235140. Its totient is φ = 52544565235138.

The previous prime is 52544565235117. The next prime is 52544565235147. The reversal of 52544565235139 is 93153256544525.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52544565235139 is a prime.

It is not a weakly prime, because it can be changed into another prime (52544565235159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26272282617569 + 26272282617570.

It is an arithmetic number, because the mean of its divisors is an integer number (26272282617570).

Almost surely, 2^{52544565235139} is an apocalyptic number.

52544565235139 is a deficient number, since it is larger than the sum of its proper divisors (1).

52544565235139 is an equidigital number, since it uses as much as digits as its factorization.

52544565235139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97200000, while the sum is 59.

The spelling of 52544565235139 in words is "fifty-two trillion, five hundred forty-four billion, five hundred sixty-five million, two hundred thirty-five thousand, one hundred thirty-nine".