53443235032489 has 2 divisors, whose sum is σ = 53443235032490. Its totient is φ = 53443235032488.

The previous prime is 53443235032477. The next prime is 53443235032501. The reversal of 53443235032489 is 98423053234435.

It is a balanced prime because it is at equal distance from previous prime (53443235032477) and next prime (53443235032501).

It can be written as a sum of positive squares in only one way, i.e., 48012191220889 + 5431043811600 = 6929083^2 + 2330460^2 .

It is a cyclic number.

It is not a de Polignac number, because 53443235032489 - 2⁷ = 53443235032361 is a prime.

It is not a weakly prime, because it can be changed into another prime (53443235032459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26721617516244 + 26721617516245.

It is an arithmetic number, because the mean of its divisors is an integer number (26721617516245).

Almost surely, 2^{53443235032489} is an apocalyptic number.

It is an amenable number.

53443235032489 is a deficient number, since it is larger than the sum of its proper divisors (1).

53443235032489 is an equidigital number, since it uses as much as digits as its factorization.

53443235032489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37324800, while the sum is 55.

The spelling of 53443235032489 in words is "fifty-three trillion, four hundred forty-three billion, two hundred thirty-five million, thirty-two thousand, four hundred eighty-nine".