57571142 has 8 divisors (see below), whose sum is σ = 86394000. Its totient is φ = 28773144.

The previous prime is 57571141. The next prime is 57571147. The reversal of 57571142 is 24117575.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 57571099 and 57571108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57571141) 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, 1484 + ... + 10832.

It is an arithmetic number, because the mean of its divisors is an integer number (10799250).

Almost surely, 2^57571142 is an apocalyptic number.

57571142 is a deficient number, since it is larger than the sum of its proper divisors (28822858).

57571142 is a wasteful number, since it uses less digits than its factorization.

57571142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12430.

The product of its digits is 9800, while the sum is 32.

The square root of 57571142 is about 7587.5649585358. The cubic root of 57571142 is about 386.1312474835.

It can be divided in two parts, 575 and 71142, that added together give a palindrome (71717).

The spelling of 57571142 in words is "fifty-seven million, five hundred seventy-one thousand, one hundred forty-two".