57125487 has 8 divisors (see below), whose sum is σ = 76205440. Its totient is φ = 38064600.

The previous prime is 57125449. The next prime is 57125501. The reversal of 57125487 is 78452175.

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

It is not a de Polignac number, because 57125487 - 2²³ = 48736879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57125407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5214 + ... + 11892.

It is an arithmetic number, because the mean of its divisors is an integer number (9525680).

Almost surely, 2^57125487 is an apocalyptic number.

57125487 is a deficient number, since it is larger than the sum of its proper divisors (19079953).

57125487 is a wasteful number, since it uses less digits than its factorization.

57125487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9533.

The product of its digits is 78400, while the sum is 39.

The square root of 57125487 is about 7558.1404459033. The cubic root of 57125487 is about 385.1323253469.

The spelling of 57125487 in words is "fifty-seven million, one hundred twenty-five thousand, four hundred eighty-seven".