53405424 has 30 divisors (see below), whose sum is σ = 149461416. Its totient is φ = 17801760.

The previous prime is 53405399. The next prime is 53405459. The reversal of 53405424 is 42450435.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 185292 + ... + 185579.

Almost surely, 2^53405424 is an apocalyptic number.

It is an amenable number.

53405424 is an abundant number, since it is smaller than the sum of its proper divisors (96055992).

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

53405424 is a wasteful number, since it uses less digits than its factorization.

53405424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370885 (or 370876 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 53405424 is about 7307.9014771684. The cubic root of 53405424 is about 376.5839349804.

Adding to 53405424 its reverse (42450435), we get a palindrome (95855859).

The spelling of 53405424 in words is "fifty-three million, four hundred five thousand, four hundred twenty-four".