53240232 has 16 divisors (see below), whose sum is σ = 133100640. Its totient is φ = 17746736.

The previous prime is 53240221. The next prime is 53240269. The reversal of 53240232 is 23204235.

It is a junction number, because it is equal to n+sod(n) for n = 53240199 and 53240208.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1109148 + ... + 1109195.

It is an arithmetic number, because the mean of its divisors is an integer number (8318790).

Almost surely, 2^53240232 is an apocalyptic number.

It is an amenable number.

53240232 is an abundant number, since it is smaller than the sum of its proper divisors (79860408).

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

53240232 is a wasteful number, since it uses less digits than its factorization.

53240232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2218352 (or 2218348 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 53240232 is about 7296.5904366355. The cubic root of 53240232 is about 376.1952547067.

Adding to 53240232 its reverse (23204235), we get a palindrome (76444467).

The spelling of 53240232 in words is "fifty-three million, two hundred forty thousand, two hundred thirty-two".