53638173 has 16 divisors (see below), whose sum is σ = 80965440. Its totient is φ = 35083152.

The previous prime is 53638147. The next prime is 53638183. The reversal of 53638173 is 37183635.

53638173 is a `hidden beast` number, since 5 + 3 + 638 + 17 + 3 = 666.

53638173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53638173 - 2¹³ = 53629981 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53638133) 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 15 ways as a sum of consecutive naturals, for example, 17311 + ... + 20172.

It is an arithmetic number, because the mean of its divisors is an integer number (5060340).

Almost surely, 2^53638173 is an apocalyptic number.

53638173 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

53638173 is a deficient number, since it is larger than the sum of its proper divisors (27327267).

53638173 is a wasteful number, since it uses less digits than its factorization.

53638173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37545 (or 37539 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 53638173 is about 7323.8086403182. The cubic root of 53638173 is about 377.1302122753.

The spelling of 53638173 in words is "fifty-three million, six hundred thirty-eight thousand, one hundred seventy-three".