53171132 has 24 divisors (see below), whose sum is σ = 107444064. Its totient is φ = 22551552.

The previous prime is 53171093. The next prime is 53171143. The reversal of 53171132 is 23117135.

It is a super-2 number, since 2×53171132² = 5654338556322848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53171098 and 53171107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7073 + ... + 12504.

It is an arithmetic number, because the mean of its divisors is an integer number (4476836).

Almost surely, 2^53171132 is an apocalyptic number.

It is an amenable number.

53171132 is an abundant number, since it is smaller than the sum of its proper divisors (54272932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53171132 is a wasteful number, since it uses less digits than its factorization.

53171132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19685 (or 19683 counting only the distinct ones).

The product of its digits is 630, while the sum is 23.

The square root of 53171132 is about 7291.8538109318. The cubic root of 53171132 is about 376.0324308076.

Adding to 53171132 its reverse (23117135), we get a palindrome (76288267).

The spelling of 53171132 in words is "fifty-three million, one hundred seventy-one thousand, one hundred thirty-two".