53230717 has 4 divisors (see below), whose sum is σ = 55545120. Its totient is φ = 50916316.

The previous prime is 53230699. The next prime is 53230721. The reversal of 53230717 is 71703235.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53230717 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 (53230777) 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, 1157167 + ... + 1157212.

It is an arithmetic number, because the mean of its divisors is an integer number (13886280).

Almost surely, 2^53230717 is an apocalyptic number.

It is an amenable number.

53230717 is a deficient number, since it is larger than the sum of its proper divisors (2314403).

53230717 is a wasteful number, since it uses less digits than its factorization.

53230717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2314402.

The product of its (nonzero) digits is 4410, while the sum is 28.

The square root of 53230717 is about 7295.9383906390. The cubic root of 53230717 is about 376.1728423882.

The spelling of 53230717 in words is "fifty-three million, two hundred thirty thousand, seven hundred seventeen".