57712087 has 4 divisors (see below), whose sum is σ = 57985816. Its totient is φ = 57438360.

The previous prime is 57712043. The next prime is 57712153. The reversal of 57712087 is 78021775.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57712087 - 2¹¹ = 57710039 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 (57712007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136548 + ... + 136969.

It is an arithmetic number, because the mean of its divisors is an integer number (14496454).

Almost surely, 2^57712087 is an apocalyptic number.

57712087 is a deficient number, since it is larger than the sum of its proper divisors (273729).

57712087 is a wasteful number, since it uses less digits than its factorization.

57712087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273728.

The product of its (nonzero) digits is 27440, while the sum is 37.

The square root of 57712087 is about 7596.8471749799. The cubic root of 57712087 is about 386.4460980278.

The spelling of 57712087 in words is "fifty-seven million, seven hundred twelve thousand, eighty-seven".