52289717 has 4 divisors (see below), whose sum is σ = 52316076. Its totient is φ = 52263360.

The previous prime is 52289707. The next prime is 52289737. The reversal of 52289717 is 71798225.

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 22193521 + 30096196 = 4711^2 + 5486^2 .

It is a cyclic number.

It is not a de Polignac number, because 52289717 - 2¹² = 52285621 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 (52289707) 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, 9938 + ... + 14259.

It is an arithmetic number, because the mean of its divisors is an integer number (13079019).

Almost surely, 2^52289717 is an apocalyptic number.

It is an amenable number.

52289717 is a deficient number, since it is larger than the sum of its proper divisors (26359).

52289717 is a wasteful number, since it uses less digits than its factorization.

52289717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26358.

The product of its digits is 70560, while the sum is 41.

The square root of 52289717 is about 7231.1629078593. The cubic root of 52289717 is about 373.9430194298.

The spelling of 52289717 in words is "fifty-two million, two hundred eighty-nine thousand, seven hundred seventeen".