53205713 has 8 divisors (see below), whose sum is σ = 58695840. Its totient is φ = 47824480.

The previous prime is 53205709. The next prime is 53205769. The reversal of 53205713 is 31750235.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53205713 - 2² = 53205709 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53205773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26195 + ... + 28152.

It is an arithmetic number, because the mean of its divisors is an integer number (7336980).

Almost surely, 2^53205713 is an apocalyptic number.

It is an amenable number.

53205713 is a deficient number, since it is larger than the sum of its proper divisors (5490127).

53205713 is a wasteful number, since it uses less digits than its factorization.

53205713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54447.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 53205713 is about 7294.2246332287. The cubic root of 53205713 is about 376.1139334261.

Adding to 53205713 its reverse (31750235), we get a palindrome (84955948).

The spelling of 53205713 in words is "fifty-three million, two hundred five thousand, seven hundred thirteen".