57147603517 has 2 divisors, whose sum is σ = 57147603518. Its totient is φ = 57147603516.

The previous prime is 57147603509. The next prime is 57147603559. The reversal of 57147603517 is 71530674175.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55030591396 + 2117012121 = 234586^2 + 46011^2 .

It is a cyclic number.

It is not a de Polignac number, because 57147603517 - 2³ = 57147603509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57147601517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28573801758 + 28573801759.

It is an arithmetic number, because the mean of its divisors is an integer number (28573801759).

Almost surely, 2^57147603517 is an apocalyptic number.

It is an amenable number.

57147603517 is a deficient number, since it is larger than the sum of its proper divisors (1).

57147603517 is an equidigital number, since it uses as much as digits as its factorization.

57147603517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 617400, while the sum is 46.

The spelling of 57147603517 in words is "fifty-seven billion, one hundred forty-seven million, six hundred three thousand, five hundred seventeen".