52828447 has 8 divisors (see below), whose sum is σ = 63000576. Its totient is φ = 43312632.

The previous prime is 52828429. The next prime is 52828471. The reversal of 52828447 is 74482825.

52828447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52828447 - 2⁷ = 52828319 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 (52828487) 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 7 ways as a sum of consecutive naturals, for example, 163903 + ... + 164224.

It is an arithmetic number, because the mean of its divisors is an integer number (7875072).

Almost surely, 2^52828447 is an apocalyptic number.

52828447 is a deficient number, since it is larger than the sum of its proper divisors (10172129).

52828447 is a wasteful number, since it uses less digits than its factorization.

52828447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328157.

The product of its digits is 143360, while the sum is 40.

The square root of 52828447 is about 7268.3180310165. The cubic root of 52828447 is about 375.2228530193. Note that the first 3 decimals are identical.

The spelling of 52828447 in words is "fifty-two million, eight hundred twenty-eight thousand, four hundred forty-seven".