57782 has 8 divisors (see below), whose sum is σ = 87696. Its totient is φ = 28552.

The previous prime is 57781. The next prime is 57787. The reversal of 57782 is 28775.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57781) 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, 248 + ... + 420.

It is an arithmetic number, because the mean of its divisors is an integer number (10962).

2⁵⁷⁷⁸² is an apocalyptic number.

57782 is a deficient number, since it is larger than the sum of its proper divisors (29914).

57782 is a wasteful number, since it uses less digits than its factorization.

57782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342.

The product of its digits is 3920, while the sum is 29.

The square root of 57782 is about 240.3788676236. The cubic root of 57782 is about 38.6602083281.

The spelling of 57782 in words is "fifty-seven thousand, seven hundred eighty-two".