57075387 has 8 divisors (see below), whose sum is σ = 76177920. Its totient is φ = 38011560.

The previous prime is 57075379. The next prime is 57075407. The reversal of 57075387 is 78357075.

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

It is not a de Polignac number, because 57075387 - 2³ = 57075379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57075377) 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, 6039 + ... + 12272.

It is an arithmetic number, because the mean of its divisors is an integer number (9522240).

Almost surely, 2^57075387 is an apocalyptic number.

57075387 is a deficient number, since it is larger than the sum of its proper divisors (19102533).

57075387 is a wasteful number, since it uses less digits than its factorization.

57075387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19353.

The product of its (nonzero) digits is 205800, while the sum is 42.

The square root of 57075387 is about 7554.8254116161. The cubic root of 57075387 is about 385.0197032700.

It can be divided in two parts, 570 and 75387, that added together give a palindrome (75957).

The spelling of 57075387 in words is "fifty-seven million, seventy-five thousand, three hundred eighty-seven".