53782166 has 16 divisors (see below), whose sum is σ = 82717200. Its totient is φ = 26218368.

The previous prime is 53782151. The next prime is 53782187. The reversal of 53782166 is 66128735.

53782166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10925 + ... + 15063.

It is an arithmetic number, because the mean of its divisors is an integer number (5169825).

Almost surely, 2^53782166 is an apocalyptic number.

53782166 is a deficient number, since it is larger than the sum of its proper divisors (28935034).

53782166 is a wasteful number, since it uses less digits than its factorization.

53782166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4303.

The product of its digits is 60480, while the sum is 38.

The square root of 53782166 is about 7333.6325241997. The cubic root of 53782166 is about 377.4673825304.

The spelling of 53782166 in words is "fifty-three million, seven hundred eighty-two thousand, one hundred sixty-six".