57131058617 has 4 divisors (see below), whose sum is σ = 57133881060. Its totient is φ = 57128236176.

The previous prime is 57131058571. The next prime is 57131058631. The reversal of 57131058617 is 71685013175.

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 28379108521 + 28751950096 = 168461^2 + 169564^2 .

It is a cyclic number.

It is not a de Polignac number, because 57131058617 - 2¹⁴ = 57131042233 is a prime.

It is a super-3 number, since 3×57131058617³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57131058697) 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 in 3 ways as a sum of consecutive naturals, for example, 1380638 + ... + 1421415.

It is an arithmetic number, because the mean of its divisors is an integer number (14283470265).

Almost surely, 2^57131058617 is an apocalyptic number.

It is an amenable number.

57131058617 is a deficient number, since it is larger than the sum of its proper divisors (2822443).

57131058617 is a wasteful number, since it uses less digits than its factorization.

57131058617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2822442.

The product of its (nonzero) digits is 176400, while the sum is 44.

The spelling of 57131058617 in words is "fifty-seven billion, one hundred thirty-one million, fifty-eight thousand, six hundred seventeen".