52864647 has 24 divisors (see below), whose sum is σ = 78162048. Its totient is φ = 31518000.

The previous prime is 52864597. The next prime is 52864661. The reversal of 52864647 is 74646825.

52864647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52864647 - 2⁶ = 52864583 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52864599 and 52864608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52864447) 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 23 ways as a sum of consecutive naturals, for example, 350022 + ... + 350172.

It is an arithmetic number, because the mean of its divisors is an integer number (3256752).

Almost surely, 2^52864647 is an apocalyptic number.

52864647 is a deficient number, since it is larger than the sum of its proper divisors (25297401).

52864647 is a wasteful number, since it uses less digits than its factorization.

52864647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371 (or 268 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 52864647 is about 7270.8078643298. The cubic root of 52864647 is about 375.3085389625.

The spelling of 52864647 in words is "fifty-two million, eight hundred sixty-four thousand, six hundred forty-seven".