57361111 has 4 divisors (see below), whose sum is σ = 60735312. Its totient is φ = 53986912.

The previous prime is 57361099. The next prime is 57361121. The reversal of 57361111 is 11116375.

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 57361111 - 2¹¹ = 57359063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57361121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1687075 + ... + 1687108.

It is an arithmetic number, because the mean of its divisors is an integer number (15183828).

Almost surely, 2^57361111 is an apocalyptic number.

57361111 is a deficient number, since it is larger than the sum of its proper divisors (3374201).

57361111 is a wasteful number, since it uses less digits than its factorization.

57361111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3374200.

The product of its digits is 630, while the sum is 25.

The square root of 57361111 is about 7573.7118376659. The cubic root of 57361111 is about 385.6611140566.

Adding to 57361111 its reverse (11116375), we get a palindrome (68477486).

The spelling of 57361111 in words is "fifty-seven million, three hundred sixty-one thousand, one hundred eleven".