53145042532009 has 2 divisors, whose sum is σ = 53145042532010. Its totient is φ = 53145042532008.

The previous prime is 53145042531983. The next prime is 53145042532037. The reversal of 53145042532009 is 90023524054135.

53145042532009 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., 36249695475984 + 16895347056025 = 6020772^2 + 4110395^2 .

It is a cyclic number.

It is not a de Polignac number, because 53145042532009 - 2¹⁹ = 53145042007721 is a prime.

It is not a weakly prime, because it can be changed into another prime (53145042532069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26572521266004 + 26572521266005.

It is an arithmetic number, because the mean of its divisors is an integer number (26572521266005).

Almost surely, 2^{53145042532009} is an apocalyptic number.

It is an amenable number.

53145042532009 is a deficient number, since it is larger than the sum of its proper divisors (1).

53145042532009 is an equidigital number, since it uses as much as digits as its factorization.

53145042532009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 53145042532009 in words is "fifty-three trillion, one hundred forty-five billion, forty-two million, five hundred thirty-two thousand, nine".