53171211 has 8 divisors (see below), whose sum is σ = 71749440. Its totient is φ = 35020232.

The previous prime is 53171203. The next prime is 53171221. The reversal of 53171211 is 11217135.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 53171211 - 2³ = 53171203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53171201) 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, 106521 + ... + 107018.

It is an arithmetic number, because the mean of its divisors is an integer number (8968680).

Almost surely, 2^53171211 is an apocalyptic number.

53171211 is a deficient number, since it is larger than the sum of its proper divisors (18578229).

53171211 is a wasteful number, since it uses less digits than its factorization.

53171211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213625.

The product of its digits is 210, while the sum is 21.

The square root of 53171211 is about 7291.8592279336. The cubic root of 53171211 is about 376.0326170399.

Adding to 53171211 its reverse (11217135), we get a palindrome (64388346).

The spelling of 53171211 in words is "fifty-three million, one hundred seventy-one thousand, two hundred eleven".