57820538355243 has 16 divisors (see below), whose sum is σ = 77299931116800. Its totient is φ = 38444092071840.

The previous prime is 57820538355179. The next prime is 57820538355247. The reversal of 57820538355243 is 34255383502875.

57820538355243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57820538355243 - 2⁶ = 57820538355179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57820538355247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35567338 + ... + 37157456.

It is an arithmetic number, because the mean of its divisors is an integer number (4831245694800).

Almost surely, 2^{57820538355243} is an apocalyptic number.

57820538355243 is a deficient number, since it is larger than the sum of its proper divisors (19479392761557).

57820538355243 is a wasteful number, since it uses less digits than its factorization.

57820538355243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1622482.

The product of its (nonzero) digits is 120960000, while the sum is 60.

The spelling of 57820538355243 in words is "fifty-seven trillion, eight hundred twenty billion, five hundred thirty-eight million, three hundred fifty-five thousand, two hundred forty-three".