57840579131 has 4 divisors (see below), whose sum is σ = 57898594752. Its totient is φ = 57782563512.

The previous prime is 57840579127. The next prime is 57840579179. The reversal of 57840579131 is 13197504875.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 57840579131 - 2² = 57840579127 is a prime.

It is a super-2 number, since 2×57840579131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57840579131.

It is not an unprimeable number, because it can be changed into a prime (57840579631) 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, 29006315 + ... + 29008308.

It is an arithmetic number, because the mean of its divisors is an integer number (14474648688).

Almost surely, 2^57840579131 is an apocalyptic number.

57840579131 is a deficient number, since it is larger than the sum of its proper divisors (58015621).

57840579131 is an equidigital number, since it uses as much as digits as its factorization.

57840579131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58015620.

The product of its (nonzero) digits is 1058400, while the sum is 50.

The spelling of 57840579131 in words is "fifty-seven billion, eight hundred forty million, five hundred seventy-nine thousand, one hundred thirty-one".