53091560989 has 2 divisors, whose sum is σ = 53091560990. Its totient is φ = 53091560988.

The previous prime is 53091560981. The next prime is 53091561011. The reversal of 53091560989 is 98906519035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51957555364 + 1134005625 = 227942^2 + 33675^2 .

It is a cyclic number.

It is not a de Polignac number, because 53091560989 - 2³ = 53091560981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53091560981) 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, 26545780494 + 26545780495.

It is an arithmetic number, because the mean of its divisors is an integer number (26545780495).

Almost surely, 2^53091560989 is an apocalyptic number.

It is an amenable number.

53091560989 is a deficient number, since it is larger than the sum of its proper divisors (1).

53091560989 is an equidigital number, since it uses as much as digits as its factorization.

53091560989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2624400, while the sum is 55.

The spelling of 53091560989 in words is "fifty-three billion, ninety-one million, five hundred sixty thousand, nine hundred eighty-nine".