53171724 has 24 divisors (see below), whose sum is σ = 125229888. Its totient is φ = 17557840.

The previous prime is 53171719. The next prime is 53171731. The reversal of 53171724 is 42717135.

It is a junction number, because it is equal to n+sod(n) for n = 53171691 and 53171700.

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, 19422 + ... + 21989.

It is an arithmetic number, because the mean of its divisors is an integer number (5217912).

Almost surely, 2^53171724 is an apocalyptic number.

It is an amenable number.

53171724 is an abundant number, since it is smaller than the sum of its proper divisors (72058164).

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

53171724 is a wasteful number, since it uses less digits than its factorization.

53171724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41525 (or 41523 counting only the distinct ones).

The product of its digits is 5880, while the sum is 30.

The square root of 53171724 is about 7291.8944040626. The cubic root of 53171724 is about 376.0338263668.

Adding to 53171724 its reverse (42717135), we get a palindrome (95888859).

The spelling of 53171724 in words is "fifty-three million, one hundred seventy-one thousand, seven hundred twenty-four".