53638161 has 8 divisors (see below), whose sum is σ = 71697504. Its totient is φ = 35668800.

The previous prime is 53638147. The next prime is 53638183. The reversal of 53638161 is 16183635.

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

It is not a de Polignac number, because 53638161 - 2⁶ = 53638097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53638561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21091 + ... + 23496.

It is an arithmetic number, because the mean of its divisors is an integer number (8962188).

Almost surely, 2^53638161 is an apocalyptic number.

It is an amenable number.

53638161 is a deficient number, since it is larger than the sum of its proper divisors (18059343).

53638161 is a wasteful number, since it uses less digits than its factorization.

53638161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44991.

The product of its digits is 12960, while the sum is 33.

The square root of 53638161 is about 7323.8078210723. The cubic root of 53638161 is about 377.1301841513.

The spelling of 53638161 in words is "fifty-three million, six hundred thirty-eight thousand, one hundred sixty-one".