57382111 has 2 divisors, whose sum is σ = 57382112. Its totient is φ = 57382110.

The previous prime is 57382103. The next prime is 57382139. The reversal of 57382111 is 11128375.

It is an a-pointer prime, because the next prime (57382139) can be obtained adding 57382111 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57382111 - 2³ = 57382103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57382111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57382211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28691055 + 28691056.

It is an arithmetic number, because the mean of its divisors is an integer number (28691056).

Almost surely, 2^57382111 is an apocalyptic number.

57382111 is a deficient number, since it is larger than the sum of its proper divisors (1).

57382111 is an equidigital number, since it uses as much as digits as its factorization.

57382111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1680, while the sum is 28.

The square root of 57382111 is about 7575.0980851736. The cubic root of 57382111 is about 385.7081720437.

The spelling of 57382111 in words is "fifty-seven million, three hundred eighty-two thousand, one hundred eleven".