53211700517 has 2 divisors, whose sum is σ = 53211700518. Its totient is φ = 53211700516.

The previous prime is 53211700483. The next prime is 53211700567. The reversal of 53211700517 is 71500711235.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27339299716 + 25872400801 = 165346^2 + 160849^2 .

It is a cyclic number.

It is not a de Polignac number, because 53211700517 - 2¹⁴ = 53211684133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53211700567) 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, 26605850258 + 26605850259.

It is an arithmetic number, because the mean of its divisors is an integer number (26605850259).

Almost surely, 2^53211700517 is an apocalyptic number.

It is an amenable number.

53211700517 is a deficient number, since it is larger than the sum of its proper divisors (1).

53211700517 is an equidigital number, since it uses as much as digits as its factorization.

53211700517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7350, while the sum is 32.

The spelling of 53211700517 in words is "fifty-three billion, two hundred eleven million, seven hundred thousand, five hundred seventeen".