57542112 has 36 divisors (see below), whose sum is σ = 163636200. Its totient is φ = 19180608.

The previous prime is 57542101. The next prime is 57542117. The reversal of 57542112 is 21124575.

57542112 is a `hidden beast` number, since 5 + 7 + 542 + 112 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×57542112² = 6622189306841088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57542117) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 99612 + ... + 100187.

It is an arithmetic number, because the mean of its divisors is an integer number (4545450).

Almost surely, 2^57542112 is an apocalyptic number.

It is an amenable number.

57542112 is an abundant number, since it is smaller than the sum of its proper divisors (106094088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57542112 is a wasteful number, since it uses less digits than its factorization.

57542112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199815 (or 199804 counting only the distinct ones).

The product of its digits is 2800, while the sum is 27.

The square root of 57542112 is about 7585.6517188703. The cubic root of 57542112 is about 386.0663348997.

Adding to 57542112 its reverse (21124575), we get a palindrome (78666687).

The spelling of 57542112 in words is "fifty-seven million, five hundred forty-two thousand, one hundred twelve".