52656717 has 4 divisors (see below), whose sum is σ = 70208960. Its totient is φ = 35104476.

The previous prime is 52656713. The next prime is 52656731. The reversal of 52656717 is 71765625.

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 not a de Polignac number, because 52656717 - 2² = 52656713 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 (52656713) 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, 8776117 + ... + 8776122.

It is an arithmetic number, because the mean of its divisors is an integer number (17552240).

Almost surely, 2^52656717 is an apocalyptic number.

It is an amenable number.

52656717 is a deficient number, since it is larger than the sum of its proper divisors (17552243).

52656717 is a wasteful number, since it uses less digits than its factorization.

52656717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17552242.

The product of its digits is 88200, while the sum is 39.

The square root of 52656717 is about 7256.4948149916. The cubic root of 52656717 is about 374.8158313443.

The spelling of 52656717 in words is "fifty-two million, six hundred fifty-six thousand, seven hundred seventeen".