53444424 has 32 divisors (see below), whose sum is σ = 145758240. Its totient is φ = 16195200.

The previous prime is 53444423. The next prime is 53444459. The reversal of 53444424 is 42444435.

It is a junction number, because it is equal to n+sod(n) for n = 53444391 and 53444400.

It is not an unprimeable number, because it can be changed into a prime (53444423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100957 + ... + 101484.

It is an arithmetic number, because the mean of its divisors is an integer number (4554945).

Almost surely, 2^53444424 is an apocalyptic number.

It is an amenable number.

53444424 is an abundant number, since it is smaller than the sum of its proper divisors (92313816).

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

53444424 is a wasteful number, since it uses less digits than its factorization.

53444424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202461 (or 202457 counting only the distinct ones).

The product of its digits is 30720, while the sum is 30.

The square root of 53444424 is about 7310.5693348740. The cubic root of 53444424 is about 376.6755811014.

Adding to 53444424 its reverse (42444435), we get a palindrome (95888859).

The spelling of 53444424 in words is "fifty-three million, four hundred forty-four thousand, four hundred twenty-four".