57125331442 has 4 divisors (see below), whose sum is σ = 85687997166. Its totient is φ = 28562665720.

The previous prime is 57125331427. The next prime is 57125331469. The reversal of 57125331442 is 24413352175.

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., 32529368881 + 24595962561 = 180359^2 + 156831^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14281332859 + ... + 14281332862.

Almost surely, 2^57125331442 is an apocalyptic number.

57125331442 is a deficient number, since it is larger than the sum of its proper divisors (28562665724).

57125331442 is a wasteful number, since it uses less digits than its factorization.

57125331442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28562665723.

The product of its digits is 100800, while the sum is 37.

The spelling of 57125331442 in words is "fifty-seven billion, one hundred twenty-five million, three hundred thirty-one thousand, four hundred forty-two".