57890 has 16 divisors (see below), whose sum is σ = 119232. Its totient is φ = 19824.

The previous prime is 57881. The next prime is 57899. The reversal of 57890 is 9875.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (57881) and next prime (57899).

It is a Curzon number.

It is a plaindrome in base 15.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (57899) by changing a digit.

57890 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344 + ... + 483.

It is an arithmetic number, because the mean of its divisors is an integer number (7452).

2⁵⁷⁸⁹⁰ is an apocalyptic number.

57890 is an abundant number, since it is smaller than the sum of its proper divisors (61342).

It is a weird number, because it is abundant, but not a pseudoperfect number.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59616).

57890 is a wasteful number, since it uses less digits than its factorization.

57890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 57890 is about 240.6034081222. The cubic root of 57890 is about 38.6842798605.

The spelling of 57890 in words is "fifty-seven thousand, eight hundred ninety".