53072324 has 12 divisors (see below), whose sum is σ = 93083004. Its totient is φ = 26477184.

The previous prime is 53072309. The next prime is 53072333. The reversal of 53072324 is 42327035.

It can be written as a sum of positive squares in 2 ways, for example, as 33269824 + 19802500 = 5768^2 + 4450^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53072293 and 53072302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12689 + ... + 16344.

It is an arithmetic number, because the mean of its divisors is an integer number (7756917).

Almost surely, 2^53072324 is an apocalyptic number.

It is an amenable number.

53072324 is a deficient number, since it is larger than the sum of its proper divisors (40010680).

53072324 is a wasteful number, since it uses less digits than its factorization.

53072324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29494 (or 29492 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 53072324 is about 7285.0754285731. The cubic root of 53072324 is about 375.7993591521.

Adding to 53072324 its reverse (42327035), we get a palindrome (95399359).

The spelling of 53072324 in words is "fifty-three million, seventy-two thousand, three hundred twenty-four".