57405005017 has 4 divisors (see below), whose sum is σ = 60781770036. Its totient is φ = 54028240000.

The previous prime is 57405004997. The next prime is 57405005029. The reversal of 57405005017 is 71050050475.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22302734281 + 35102270736 = 149341^2 + 187356^2 .

It is a cyclic number.

It is not a de Polignac number, because 57405005017 - 2³¹ = 55257521369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57405005417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1688382484 + ... + 1688382517.

It is an arithmetic number, because the mean of its divisors is an integer number (15195442509).

Almost surely, 2^57405005017 is an apocalyptic number.

It is an amenable number.

57405005017 is a deficient number, since it is larger than the sum of its proper divisors (3376765019).

57405005017 is a wasteful number, since it uses less digits than its factorization.

57405005017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3376765018.

The product of its (nonzero) digits is 24500, while the sum is 34.

The spelling of 57405005017 in words is "fifty-seven billion, four hundred five million, five thousand, seventeen".