53871566 has 32 divisors (see below), whose sum is σ = 96864768. Its totient is φ = 21970080.

The previous prime is 53871553. The next prime is 53871577. The reversal of 53871566 is 66517835.

53871566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 15 ways as a sum of consecutive naturals, for example, 94061 + ... + 94631.

It is an arithmetic number, because the mean of its divisors is an integer number (3027024).

Almost surely, 2^53871566 is an apocalyptic number.

53871566 is a deficient number, since it is larger than the sum of its proper divisors (42993202).

53871566 is a wasteful number, since it uses less digits than its factorization.

53871566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896.

The product of its digits is 151200, while the sum is 41.

The square root of 53871566 is about 7339.7251992156. The cubic root of 53871566 is about 377.6764165266.

The spelling of 53871566 in words is "fifty-three million, eight hundred seventy-one thousand, five hundred sixty-six".