52724405 has 16 divisors (see below), whose sum is σ = 64157184. Its totient is φ = 41592960.

The previous prime is 52724393. The next prime is 52724423. The reversal of 52724405 is 50442725.

It is a happy number.

It is not a de Polignac number, because 52724405 - 2⁶ = 52724341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194420 + ... + 194690.

It is an arithmetic number, because the mean of its divisors is an integer number (4009824).

Almost surely, 2^52724405 is an apocalyptic number.

It is an amenable number.

52724405 is a deficient number, since it is larger than the sum of its proper divisors (11432779).

52724405 is a wasteful number, since it uses less digits than its factorization.

52724405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676.

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 52724405 is about 7261.1572769084. The cubic root of 52724405 is about 374.9763659179.

The spelling of 52724405 in words is "fifty-two million, seven hundred twenty-four thousand, four hundred five".