53724365 has 4 divisors (see below), whose sum is σ = 64469244. Its totient is φ = 42979488.

The previous prime is 53724361. The next prime is 53724371. The reversal of 53724365 is 56342735.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13756681 + 39967684 = 3709^2 + 6322^2 .

It is a cyclic number.

It is not a de Polignac number, because 53724365 - 2² = 53724361 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53724361) 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, 5372432 + ... + 5372441.

It is an arithmetic number, because the mean of its divisors is an integer number (16117311).

Almost surely, 2^53724365 is an apocalyptic number.

It is an amenable number.

53724365 is a deficient number, since it is larger than the sum of its proper divisors (10744879).

53724365 is a wasteful number, since it uses less digits than its factorization.

53724365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10744878.

The product of its digits is 75600, while the sum is 35.

The square root of 53724365 is about 7329.6906483152. The cubic root of 53724365 is about 377.3321096040.

The spelling of 53724365 in words is "fifty-three million, seven hundred twenty-four thousand, three hundred sixty-five".