57241111 has 2 divisors, whose sum is σ = 57241112. Its totient is φ = 57241110.

The previous prime is 57241103. The next prime is 57241133. The reversal of 57241111 is 11114275.

It is an a-pointer prime, because the next prime (57241133) can be obtained adding 57241111 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57241111 - 2³ = 57241103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57241141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28620555 + 28620556.

It is an arithmetic number, because the mean of its divisors is an integer number (28620556).

Almost surely, 2^57241111 is an apocalyptic number.

57241111 is a deficient number, since it is larger than the sum of its proper divisors (1).

57241111 is an equidigital number, since it uses as much as digits as its factorization.

57241111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 280, while the sum is 22.

The square root of 57241111 is about 7565.7855507541. The cubic root of 57241111 is about 385.3919907039.

Adding to 57241111 its reverse (11114275), we get a palindrome (68355386).

The spelling of 57241111 in words is "fifty-seven million, two hundred forty-one thousand, one hundred eleven".