52839689 has 24 divisors (see below), whose sum is σ = 65602440. Its totient is φ = 42287616.

The previous prime is 52839673. The next prime is 52839701. The reversal of 52839689 is 98693825.

It can be written as a sum of positive squares in 4 ways, for example, as 17935225 + 34904464 = 4235^2 + 5908^2 .

It is not a de Polignac number, because 52839689 - 2⁴ = 52839673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52839629) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190619 + ... + 190895.

It is an arithmetic number, because the mean of its divisors is an integer number (2733435).

Almost surely, 2^52839689 is an apocalyptic number.

It is an amenable number.

52839689 is a deficient number, since it is larger than the sum of its proper divisors (12762751).

52839689 is a wasteful number, since it uses less digits than its factorization.

52839689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537 (or 530 counting only the distinct ones).

The product of its digits is 933120, while the sum is 50.

The square root of 52839689 is about 7269.0913462413. The cubic root of 52839689 is about 375.2494671914.

The spelling of 52839689 in words is "fifty-two million, eight hundred thirty-nine thousand, six hundred eighty-nine".