53171133 has 16 divisors (see below), whose sum is σ = 72620736. Its totient is φ = 34594560.

The previous prime is 53171093. The next prime is 53171143. The reversal of 53171133 is 33117135.

It is not a de Polignac number, because 53171133 - 2⁸ = 53170877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53171143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21543 + ... + 23883.

It is an arithmetic number, because the mean of its divisors is an integer number (4538796).

Almost surely, 2^53171133 is an apocalyptic number.

It is an amenable number.

53171133 is a deficient number, since it is larger than the sum of its proper divisors (19449603).

53171133 is a wasteful number, since it uses less digits than its factorization.

53171133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2524.

The product of its digits is 945, while the sum is 24.

The square root of 53171133 is about 7291.8538795014. The cubic root of 53171133 is about 376.0324331650.

Adding to 53171133 its reverse (33117135), we get a palindrome (86288268).

The spelling of 53171133 in words is "fifty-three million, one hundred seventy-one thousand, one hundred thirty-three".