52017447 has 4 divisors (see below), whose sum is σ = 69356600. Its totient is φ = 34678296.

The previous prime is 52017439. The next prime is 52017451. The reversal of 52017447 is 74471025.

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

It is not a de Polignac number, because 52017447 - 2³ = 52017439 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 (52017457) 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, 8669572 + ... + 8669577.

It is an arithmetic number, because the mean of its divisors is an integer number (17339150).

Almost surely, 2^52017447 is an apocalyptic number.

52017447 is a deficient number, since it is larger than the sum of its proper divisors (17339153).

52017447 is a wasteful number, since it uses less digits than its factorization.

52017447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17339152.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 52017447 is about 7212.3121812634. The cubic root of 52017447 is about 373.2928553230.

The spelling of 52017447 in words is "fifty-two million, seventeen thousand, four hundred forty-seven".