53321251943 has 2 divisors, whose sum is σ = 53321251944. Its totient is φ = 53321251942.

The previous prime is 53321251861. The next prime is 53321252041. The reversal of 53321251943 is 34915212335.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53321251943 - 2¹⁰ = 53321250919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53321251897 and 53321251906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53321851943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26660625971 + 26660625972.

It is an arithmetic number, because the mean of its divisors is an integer number (26660625972).

Almost surely, 2^53321251943 is an apocalyptic number.

53321251943 is a deficient number, since it is larger than the sum of its proper divisors (1).

53321251943 is an equidigital number, since it uses as much as digits as its factorization.

53321251943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 38.

The spelling of 53321251943 in words is "fifty-three billion, three hundred twenty-one million, two hundred fifty-one thousand, nine hundred forty-three".