52016647 has 4 divisors (see below), whose sum is σ = 52076440. Its totient is φ = 51956856.

The previous prime is 52016621. The next prime is 52016683. The reversal of 52016647 is 74661025.

It is a happy number.

52016647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 52016647 - 2⁷ = 52016519 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 (52316647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28572 + ... + 30337.

It is an arithmetic number, because the mean of its divisors is an integer number (13019110).

Almost surely, 2^52016647 is an apocalyptic number.

52016647 is a deficient number, since it is larger than the sum of its proper divisors (59793).

52016647 is an equidigital number, since it uses as much as digits as its factorization.

52016647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59792.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 52016647 is about 7212.2567203338. The cubic root of 52016647 is about 373.2909416329.

The spelling of 52016647 in words is "fifty-two million, sixteen thousand, six hundred forty-seven".