53052656981 has 2 divisors, whose sum is σ = 53052656982. Its totient is φ = 53052656980.

The previous prime is 53052656953. The next prime is 53052657011. The reversal of 53052656981 is 18965625035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52697334481 + 355322500 = 229559^2 + 18850^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53052656981 is a prime.

It is a super-2 number, since 2×53052656981² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53052656081) 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, 26526328490 + 26526328491.

It is an arithmetic number, because the mean of its divisors is an integer number (26526328491).

Almost surely, 2^53052656981 is an apocalyptic number.

It is an amenable number.

53052656981 is a deficient number, since it is larger than the sum of its proper divisors (1).

53052656981 is an equidigital number, since it uses as much as digits as its factorization.

53052656981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944000, while the sum is 50.

The spelling of 53052656981 in words is "fifty-three billion, fifty-two million, six hundred fifty-six thousand, nine hundred eighty-one".