52715447 has 4 divisors (see below), whose sum is σ = 52750656. Its totient is φ = 52680240.

The previous prime is 52715431. The next prime is 52715477. The reversal of 52715447 is 74451725.

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

It is a cyclic number.

It is not a de Polignac number, because 52715447 - 2⁴ = 52715431 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 (52715477) 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, 15254 + ... + 18387.

It is an arithmetic number, because the mean of its divisors is an integer number (13187664).

Almost surely, 2^52715447 is an apocalyptic number.

52715447 is a deficient number, since it is larger than the sum of its proper divisors (35209).

52715447 is a wasteful number, since it uses less digits than its factorization.

52715447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35208.

The product of its digits is 39200, while the sum is 35.

The square root of 52715447 is about 7260.5404068843. The cubic root of 52715447 is about 374.9551282606.

The spelling of 52715447 in words is "fifty-two million, seven hundred fifteen thousand, four hundred forty-seven".