53415232 has 112 divisors (see below), whose sum is σ = 125171200. Its totient is φ = 22394880.

The previous prime is 53415221. The next prime is 53415233. The reversal of 53415232 is 23251435.

It is a super-2 number, since 2×53415232² = 5706374019227648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53415197 and 53415206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53415233) 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 15 ways as a sum of consecutive naturals, for example, 489994 + ... + 490102.

It is an arithmetic number, because the mean of its divisors is an integer number (1117600).

Almost surely, 2^53415232 is an apocalyptic number.

53415232 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53415232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62585600).

53415232 is an abundant number, since it is smaller than the sum of its proper divisors (71755968).

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

53415232 is a wasteful number, since it uses less digits than its factorization.

53415232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 174 counting only the distinct ones).

The product of its digits is 3600, while the sum is 25.

The square root of 53415232 is about 7308.5725008376. The cubic root of 53415232 is about 376.6069870032.

Adding to 53415232 its reverse (23251435), we get a palindrome (76666667).

The spelling of 53415232 in words is "fifty-three million, four hundred fifteen thousand, two hundred thirty-two".