53417232 has 120 divisors (see below), whose sum is σ = 169260000. Its totient is φ = 16174080.

The previous prime is 53417173. The next prime is 53417237. The reversal of 53417232 is 23271435.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 53417196 and 53417205.

It is not an unprimeable number, because it can be changed into a prime (53417237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42144 + ... + 43392.

It is an arithmetic number, because the mean of its divisors is an integer number (1410500).

Almost surely, 2^53417232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53417232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84630000).

53417232 is an abundant number, since it is smaller than the sum of its proper divisors (115842768).

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

53417232 is a wasteful number, since it uses less digits than its factorization.

53417232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283 (or 1265 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 53417232 is about 7308.7093251818. The cubic root of 53417232 is about 376.6116873140.

Adding to 53417232 its reverse (23271435), we get a palindrome (76688667).

It can be divided in two parts, 534 and 17232, that added together give a triangular number (17766 = T₁₈₈).

The spelling of 53417232 in words is "fifty-three million, four hundred seventeen thousand, two hundred thirty-two".