52540351343 has 2 divisors, whose sum is σ = 52540351344. Its totient is φ = 52540351342.

The previous prime is 52540351313. The next prime is 52540351387. The reversal of 52540351343 is 34315304525.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52540351343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52540351313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26270175671 + 26270175672.

It is an arithmetic number, because the mean of its divisors is an integer number (26270175672).

Almost surely, 2^52540351343 is an apocalyptic number.

52540351343 is a deficient number, since it is larger than the sum of its proper divisors (1).

52540351343 is an equidigital number, since it uses as much as digits as its factorization.

52540351343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 52540351343 its reverse (34315304525), we get a palindrome (86855655868).

The spelling of 52540351343 in words is "fifty-two billion, five hundred forty million, three hundred fifty-one thousand, three hundred forty-three".