52897634479 has 2 divisors, whose sum is σ = 52897634480. Its totient is φ = 52897634478.

The previous prime is 52897634477. The next prime is 52897634497. The reversal of 52897634479 is 97443679825.

Together with next prime (52897634497) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52897634479 - 2¹ = 52897634477 is a prime.

Together with 52897634477, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 52897634479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52897634477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26448817239 + 26448817240.

It is an arithmetic number, because the mean of its divisors is an integer number (26448817240).

Almost surely, 2^52897634479 is an apocalyptic number.

52897634479 is a deficient number, since it is larger than the sum of its proper divisors (1).

52897634479 is an equidigital number, since it uses as much as digits as its factorization.

52897634479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 91445760, while the sum is 64.

The spelling of 52897634479 in words is "fifty-two billion, eight hundred ninety-seven million, six hundred thirty-four thousand, four hundred seventy-nine".