53045605517 has 2 divisors, whose sum is σ = 53045605518. Its totient is φ = 53045605516.

The previous prime is 53045605499. The next prime is 53045605541. The reversal of 53045605517 is 71550654035.

53045605517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37656954916 + 15388650601 = 194054^2 + 124051^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53045605517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53045605567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26522802758 + 26522802759.

It is an arithmetic number, because the mean of its divisors is an integer number (26522802759).

Almost surely, 2^53045605517 is an apocalyptic number.

It is an amenable number.

53045605517 is a deficient number, since it is larger than the sum of its proper divisors (1).

53045605517 is an equidigital number, since it uses as much as digits as its factorization.

53045605517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 315000, while the sum is 41.

The spelling of 53045605517 in words is "fifty-three billion, forty-five million, six hundred five thousand, five hundred seventeen".