53638166 has 8 divisors (see below), whose sum is σ = 80548680. Its totient is φ = 26788608.

The previous prime is 53638147. The next prime is 53638183. The reversal of 53638166 is 66183635.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12971 + ... + 16598.

It is an arithmetic number, because the mean of its divisors is an integer number (10068585).

Almost surely, 2^53638166 is an apocalyptic number.

53638166 is a deficient number, since it is larger than the sum of its proper divisors (26910514).

53638166 is a wasteful number, since it uses less digits than its factorization.

53638166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30478.

The product of its digits is 77760, while the sum is 38.

The square root of 53638166 is about 7323.8081624248. The cubic root of 53638166 is about 377.1301958696.

The spelling of 53638166 in words is "fifty-three million, six hundred thirty-eight thousand, one hundred sixty-six".