57487 has 2 divisors, whose sum is σ = 57488. Its totient is φ = 57486.

The previous prime is 57467. The next prime is 57493. The reversal of 57487 is 78475.

It is a happy number.

57487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57487 - 2¹¹ = 55439 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28743 + 28744.

It is an arithmetic number, because the mean of its divisors is an integer number (28744).

2⁵⁷⁴⁸⁷ is an apocalyptic number.

57487 is a deficient number, since it is larger than the sum of its proper divisors (1).

57487 is an equidigital number, since it uses as much as digits as its factorization.

57487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7840, while the sum is 31.

The square root of 57487 is about 239.7644677595. The cubic root of 57487 is about 38.5943041521.

The spelling of 57487 in words is "fifty-seven thousand, four hundred eighty-seven".