53980717591 has 2 divisors, whose sum is σ = 53980717592. Its totient is φ = 53980717590.

The previous prime is 53980717589. The next prime is 53980717621. The reversal of 53980717591 is 19571708935.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53980717591 - 2¹ = 53980717589 is a prime.

Together with 53980717589, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53980717891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26990358795 + 26990358796.

It is an arithmetic number, because the mean of its divisors is an integer number (26990358796).

Almost surely, 2^53980717591 is an apocalyptic number.

53980717591 is a deficient number, since it is larger than the sum of its proper divisors (1).

53980717591 is an equidigital number, since it uses as much as digits as its factorization.

53980717591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2381400, while the sum is 55.

The spelling of 53980717591 in words is "fifty-three billion, nine hundred eighty million, seven hundred seventeen thousand, five hundred ninety-one".