52939567409 has 2 divisors, whose sum is σ = 52939567410. Its totient is φ = 52939567408.

The previous prime is 52939567357. The next prime is 52939567469. The reversal of 52939567409 is 90476593925.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45423544384 + 7516023025 = 213128^2 + 86695^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52939567409 is a prime.

It is not a weakly prime, because it can be changed into another prime (52939567469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26469783704 + 26469783705.

It is an arithmetic number, because the mean of its divisors is an integer number (26469783705).

Almost surely, 2^52939567409 is an apocalyptic number.

It is an amenable number.

52939567409 is a deficient number, since it is larger than the sum of its proper divisors (1).

52939567409 is an equidigital number, since it uses as much as digits as its factorization.

52939567409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18370800, while the sum is 59.

The spelling of 52939567409 in words is "fifty-two billion, nine hundred thirty-nine million, five hundred sixty-seven thousand, four hundred nine".