57125578 has 4 divisors (see below), whose sum is σ = 85688370. Its totient is φ = 28562788.

The previous prime is 57125567. The next prime is 57125623. The reversal of 57125578 is 87552175.

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., 51940849 + 5184729 = 7207^2 + 2277^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 57125578.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14281393 + ... + 14281396.

Almost surely, 2^57125578 is an apocalyptic number.

57125578 is a deficient number, since it is larger than the sum of its proper divisors (28562792).

57125578 is a wasteful number, since it uses less digits than its factorization.

57125578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28562791.

The product of its digits is 98000, while the sum is 40.

The square root of 57125578 is about 7558.1464659002. The cubic root of 57125578 is about 385.1325298500.

The spelling of 57125578 in words is "fifty-seven million, one hundred twenty-five thousand, five hundred seventy-eight".