53047181 has 8 divisors (see below), whose sum is σ = 57971424. Its totient is φ = 48139920.

The previous prime is 53047133. The next prime is 53047199. The reversal of 53047181 is 18174035.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53047181 is a prime.

It is a super-3 number, since 3×53047181³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53047081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2810 + ... + 10676.

It is an arithmetic number, because the mean of its divisors is an integer number (7246428).

Almost surely, 2^53047181 is an apocalyptic number.

It is an amenable number.

53047181 is a deficient number, since it is larger than the sum of its proper divisors (4924243).

53047181 is a wasteful number, since it uses less digits than its factorization.

53047181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8491.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 53047181 is about 7283.3495728271. The cubic root of 53047181 is about 375.7400048278.

The spelling of 53047181 in words is "fifty-three million, forty-seven thousand, one hundred eighty-one".