53112317953 has 2 divisors, whose sum is σ = 53112317954. Its totient is φ = 53112317952.

The previous prime is 53112317941. The next prime is 53112317977. The reversal of 53112317953 is 35971321135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36537557904 + 16574760049 = 191148^2 + 128743^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53112317953 is a prime.

It is a super-2 number, since 2×53112317953² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53112017953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26556158976 + 26556158977.

It is an arithmetic number, because the mean of its divisors is an integer number (26556158977).

Almost surely, 2^53112317953 is an apocalyptic number.

It is an amenable number.

53112317953 is a deficient number, since it is larger than the sum of its proper divisors (1).

53112317953 is an equidigital number, since it uses as much as digits as its factorization.

53112317953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 85050, while the sum is 40.

The spelling of 53112317953 in words is "fifty-three billion, one hundred twelve million, three hundred seventeen thousand, nine hundred fifty-three".