52839649 has 4 divisors (see below), whose sum is σ = 52953264. Its totient is φ = 52726036.

The previous prime is 52839641. The next prime is 52839673. The reversal of 52839649 is 94693825.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52839649 - 2³ = 52839641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52839599 and 52839608.

It is not an unprimeable number, because it can be changed into a prime (52839641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56107 + ... + 57040.

It is an arithmetic number, because the mean of its divisors is an integer number (13238316).

Almost surely, 2^52839649 is an apocalyptic number.

It is an amenable number.

52839649 is a deficient number, since it is larger than the sum of its proper divisors (113615).

52839649 is a wasteful number, since it uses less digits than its factorization.

52839649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113614.

The product of its digits is 466560, while the sum is 46.

The square root of 52839649 is about 7269.0885948652. The cubic root of 52839649 is about 375.2493725026.

The spelling of 52839649 in words is "fifty-two million, eight hundred thirty-nine thousand, six hundred forty-nine".