57125842 has 4 divisors (see below), whose sum is σ = 85688766. Its totient is φ = 28562920.

The previous prime is 57125791. The next prime is 57125869. The reversal of 57125842 is 24852175.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 57017601 + 108241 = 7551^2 + 329^2 .

It is a junction number, because it is equal to n+sod(n) for n = 57125798 and 57125807.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14281459 + ... + 14281462.

Almost surely, 2^57125842 is an apocalyptic number.

57125842 is a deficient number, since it is larger than the sum of its proper divisors (28562924).

57125842 is a wasteful number, since it uses less digits than its factorization.

57125842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28562923.

The product of its digits is 22400, while the sum is 34.

The square root of 57125842 is about 7558.1639304794. The cubic root of 57125842 is about 385.1331231326.

The spelling of 57125842 in words is "fifty-seven million, one hundred twenty-five thousand, eight hundred forty-two".