53091989359 has 2 divisors, whose sum is σ = 53091989360. Its totient is φ = 53091989358.

The previous prime is 53091989323. The next prime is 53091989381. The reversal of 53091989359 is 95398919035.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53091989359 - 2⁷ = 53091989231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53091989297 and 53091989306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53091989399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26545994679 + 26545994680.

It is an arithmetic number, because the mean of its divisors is an integer number (26545994680).

Almost surely, 2^53091989359 is an apocalyptic number.

53091989359 is a deficient number, since it is larger than the sum of its proper divisors (1).

53091989359 is an equidigital number, since it uses as much as digits as its factorization.

53091989359 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11809800, while the sum is 61.

The spelling of 53091989359 in words is "fifty-three billion, ninety-one million, nine hundred eighty-nine thousand, three hundred fifty-nine".