53502411517 has 2 divisors, whose sum is σ = 53502411518. Its totient is φ = 53502411516.

The previous prime is 53502411503. The next prime is 53502411553. The reversal of 53502411517 is 71511420535.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52096236516 + 1406175001 = 228246^2 + 37499^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53502411517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53502111517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26751205758 + 26751205759.

It is an arithmetic number, because the mean of its divisors is an integer number (26751205759).

Almost surely, 2^53502411517 is an apocalyptic number.

It is an amenable number.

53502411517 is a deficient number, since it is larger than the sum of its proper divisors (1).

53502411517 is an equidigital number, since it uses as much as digits as its factorization.

53502411517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21000, while the sum is 34.

The spelling of 53502411517 in words is "fifty-three billion, five hundred two million, four hundred eleven thousand, five hundred seventeen".