57405712517 has 8 divisors (see below), whose sum is σ = 58301383800. Its totient is φ = 56516750784.

The previous prime is 57405712513. The next prime is 57405712537. The reversal of 57405712517 is 71521750475.

57405712517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 12006461476 + 45399251041 = 109574^2 + 213071^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57405712517 - 2² = 57405712513 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57405712513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1660142 + ... + 1694367.

It is an arithmetic number, because the mean of its divisors is an integer number (7287672975).

Almost surely, 2^57405712517 is an apocalyptic number.

It is an amenable number.

57405712517 is a deficient number, since it is larger than the sum of its proper divisors (895671283).

57405712517 is a wasteful number, since it uses less digits than its factorization.

57405712517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3354775.

The product of its (nonzero) digits is 343000, while the sum is 44.

The spelling of 57405712517 in words is "fifty-seven billion, four hundred five million, seven hundred twelve thousand, five hundred seventeen".