53144332 has 24 divisors (see below), whose sum is σ = 94457664. Its totient is φ = 26159952.

The previous prime is 53144317. The next prime is 53144341. The reversal of 53144332 is 23344135.

53144332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 53144297 and 53144306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96883 + ... + 97429.

It is an arithmetic number, because the mean of its divisors is an integer number (3935736).

Almost surely, 2^53144332 is an apocalyptic number.

It is an amenable number.

53144332 is a deficient number, since it is larger than the sum of its proper divisors (41313332).

53144332 is a wasteful number, since it uses less digits than its factorization.

53144332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885 (or 883 counting only the distinct ones).

The product of its digits is 4320, while the sum is 25.

The square root of 53144332 is about 7290.0159121911. The cubic root of 53144332 is about 375.9692426176.

Adding to 53144332 its reverse (23344135), we get a palindrome (76488467).

The spelling of 53144332 in words is "fifty-three million, one hundred forty-four thousand, three hundred thirty-two".