57715247591 has 2 divisors, whose sum is σ = 57715247592. Its totient is φ = 57715247590.

The previous prime is 57715247587. The next prime is 57715247659. The reversal of 57715247591 is 19574251775.

57715247591 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 is a cyclic number.

It is not a de Polignac number, because 57715247591 - 2² = 57715247587 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57715240591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28857623795 + 28857623796.

It is an arithmetic number, because the mean of its divisors is an integer number (28857623796).

Almost surely, 2^57715247591 is an apocalyptic number.

57715247591 is a deficient number, since it is larger than the sum of its proper divisors (1).

57715247591 is an equidigital number, since it uses as much as digits as its factorization.

57715247591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3087000, while the sum is 53.

The spelling of 57715247591 in words is "fifty-seven billion, seven hundred fifteen million, two hundred forty-seven thousand, five hundred ninety-one".