53724347 has 4 divisors (see below), whose sum is σ = 54605136. Its totient is φ = 52843560.

The previous prime is 53724299. The next prime is 53724353. The reversal of 53724347 is 74342735.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74342735 = 5 ⋅14868547.

It is a cyclic number.

It is not a de Polignac number, because 53724347 - 2⁸ = 53724091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53724547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440303 + ... + 440424.

It is an arithmetic number, because the mean of its divisors is an integer number (13651284).

Almost surely, 2^53724347 is an apocalyptic number.

53724347 is a deficient number, since it is larger than the sum of its proper divisors (880789).

53724347 is an equidigital number, since it uses as much as digits as its factorization.

53724347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880788.

The product of its digits is 70560, while the sum is 35.

The square root of 53724347 is about 7329.6894204325. The cubic root of 53724347 is about 377.3320674631.

The spelling of 53724347 in words is "fifty-three million, seven hundred twenty-four thousand, three hundred forty-seven".