53168259457 has 2 divisors, whose sum is σ = 53168259458. Its totient is φ = 53168259456.

The previous prime is 53168259451. The next prime is 53168259479. The reversal of 53168259457 is 75495286135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53158374721 + 9884736 = 230561^2 + 3144^2 .

It is a cyclic number.

It is not a de Polignac number, because 53168259457 - 2⁷ = 53168259329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53168259398 and 53168259407.

It is not a weakly prime, because it can be changed into another prime (53168259451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26584129728 + 26584129729.

It is an arithmetic number, because the mean of its divisors is an integer number (26584129729).

Almost surely, 2^53168259457 is an apocalyptic number.

It is an amenable number.

53168259457 is a deficient number, since it is larger than the sum of its proper divisors (1).

53168259457 is an equidigital number, since it uses as much as digits as its factorization.

53168259457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072000, while the sum is 55.

The spelling of 53168259457 in words is "fifty-three billion, one hundred sixty-eight million, two hundred fifty-nine thousand, four hundred fifty-seven".