53638171 has 4 divisors (see below), whose sum is σ = 54169344. Its totient is φ = 53107000.

The previous prime is 53638147. The next prime is 53638183. The reversal of 53638171 is 17183635.

53638171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 53638171 - 2⁹ = 53637659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53638471) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 265435 + ... + 265636.

It is an arithmetic number, because the mean of its divisors is an integer number (13542336).

Almost surely, 2^53638171 is an apocalyptic number.

53638171 is a deficient number, since it is larger than the sum of its proper divisors (531173).

53638171 is a wasteful number, since it uses less digits than its factorization.

53638171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531172.

The product of its digits is 15120, while the sum is 34.

The square root of 53638171 is about 7323.8085037773. The cubic root of 53638171 is about 377.1302075879.

The spelling of 53638171 in words is "fifty-three million, six hundred thirty-eight thousand, one hundred seventy-one".