52897771253449 has 2 divisors, whose sum is σ = 52897771253450. Its totient is φ = 52897771253448.

The previous prime is 52897771253429. The next prime is 52897771253479. The reversal of 52897771253449 is 94435217779825.

52897771253449 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., 29880085847824 + 23017685405625 = 5466268^2 + 4797675^2 .

It is a cyclic number.

It is not a de Polignac number, because 52897771253449 - 2¹³ = 52897771245257 is a prime.

It is not a weakly prime, because it can be changed into another prime (52897771253429) 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, 26448885626724 + 26448885626725.

It is an arithmetic number, because the mean of its divisors is an integer number (26448885626725).

Almost surely, 2^{52897771253449} is an apocalyptic number.

It is an amenable number.

52897771253449 is a deficient number, since it is larger than the sum of its proper divisors (1).

52897771253449 is an equidigital number, since it uses as much as digits as its factorization.

52897771253449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1066867200, while the sum is 73.

The spelling of 52897771253449 in words is "fifty-two trillion, eight hundred ninety-seven billion, seven hundred seventy-one million, two hundred fifty-three thousand, four hundred forty-nine".