53724405 has 32 divisors (see below), whose sum is σ = 99360000. Its totient is φ = 24279552.

The previous prime is 53724373. The next prime is 53724409. The reversal of 53724405 is 50442735.

53724405 is nontrivially palindromic in base 14.

It is not a de Polignac number, because 53724405 - 2⁵ = 53724373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53724409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6471 + ... + 12219.

It is an arithmetic number, because the mean of its divisors is an integer number (3105000).

Almost surely, 2^53724405 is an apocalyptic number.

It is an amenable number.

53724405 is a deficient number, since it is larger than the sum of its proper divisors (45635595).

53724405 is a wasteful number, since it uses less digits than its factorization.

53724405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5853.

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 53724405 is about 7329.6933769429. The cubic root of 53724405 is about 377.3322032504.

It can be divided in two parts, 537 and 24405, that added together give a palindrome (24942).

The spelling of 53724405 in words is "fifty-three million, seven hundred twenty-four thousand, four hundred five".