57791820343 has 4 divisors (see below), whose sum is σ = 60304508208. Its totient is φ = 55279132480.

The previous prime is 57791820323. The next prime is 57791820377. The reversal of 57791820343 is 34302819775.

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 57791820343 - 2⁹ = 57791819831 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57791820323) 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, 1256343898 + ... + 1256343943.

It is an arithmetic number, because the mean of its divisors is an integer number (15076127052).

Almost surely, 2^57791820343 is an apocalyptic number.

57791820343 is a deficient number, since it is larger than the sum of its proper divisors (2512687865).

57791820343 is a wasteful number, since it uses less digits than its factorization.

57791820343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512687864.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 57791820343 in words is "fifty-seven billion, seven hundred ninety-one million, eight hundred twenty thousand, three hundred forty-three".