57087 has 6 divisors (see below), whose sum is σ = 82472. Its totient is φ = 38052.

The previous prime is 57077. The next prime is 57089. The reversal of 57087 is 78075.

It is a de Polignac number, because none of the positive numbers 2^k-57087 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 57087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57089) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3163 + ... + 3180.

2⁵⁷⁰⁸⁷ is an apocalyptic number.

57087 is a deficient number, since it is larger than the sum of its proper divisors (25385).

57087 is a wasteful number, since it uses less digits than its factorization.

57087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6349 (or 6346 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 57087 is about 238.9288597051. The cubic root of 57087 is about 38.5045814529.

The spelling of 57087 in words is "fifty-seven thousand, eighty-seven".