57030111 has 24 divisors (see below), whose sum is σ = 86261760. Its totient is φ = 36262800.

The previous prime is 57030097. The next prime is 57030137. The reversal of 57030111 is 11103075.

It is a happy number.

It is not a de Polignac number, because 57030111 - 2⁵ = 57030079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57030011) 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 in 23 ways as a sum of consecutive naturals, for example, 18370 + ... + 21248.

It is an arithmetic number, because the mean of its divisors is an integer number (3594240).

Almost surely, 2^57030111 is an apocalyptic number.

57030111 is a deficient number, since it is larger than the sum of its proper divisors (29231649).

57030111 is a wasteful number, since it uses less digits than its factorization.

57030111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2987 (or 2984 counting only the distinct ones).

The product of its (nonzero) digits is 105, while the sum is 18.

The square root of 57030111 is about 7551.8283216715. The cubic root of 57030111 is about 384.9178685769.

Adding to 57030111 its reverse (11103075), we get a palindrome (68133186).

The spelling of 57030111 in words is "fifty-seven million, thirty thousand, one hundred eleven".