57786982 has 16 divisors (see below), whose sum is σ = 95287104. Its totient is φ = 26065000.

The previous prime is 57786979. The next prime is 57786991. The reversal of 57786982 is 28968775.

57786982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7144 + ... + 12907.

It is an arithmetic number, because the mean of its divisors is an integer number (5955444).

Almost surely, 2^57786982 is an apocalyptic number.

57786982 is a deficient number, since it is larger than the sum of its proper divisors (37500122).

57786982 is a wasteful number, since it uses less digits than its factorization.

57786982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20195.

The product of its digits is 1693440, while the sum is 52.

The square root of 57786982 is about 7601.7749243187. The cubic root of 57786982 is about 386.6131939862.

The spelling of 57786982 in words is "fifty-seven million, seven hundred eighty-six thousand, nine hundred eighty-two".