53782 has 4 divisors (see below), whose sum is σ = 80676. Its totient is φ = 26890.

The previous prime is 53777. The next prime is 53783. The reversal of 53782 is 28735.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13444 + ... + 13447.

It is an arithmetic number, because the mean of its divisors is an integer number (20169).

2⁵³⁷⁸² is an apocalyptic number.

53782 is a deficient number, since it is larger than the sum of its proper divisors (26894).

53782 is a wasteful number, since it uses less digits than its factorization.

53782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26893.

The product of its digits is 1680, while the sum is 25.

The square root of 53782 is about 231.9094650936. The cubic root of 53782 is about 37.7466994176.

The spelling of 53782 in words is "fifty-three thousand, seven hundred eighty-two".