52189739 has 8 divisors (see below), whose sum is σ = 60081888. Its totient is φ = 44406720.

The previous prime is 52189727. The next prime is 52189759. The reversal of 52189739 is 93798125.

52189739 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 52189739 - 2²⁰ = 51141163 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52189739.

It is not an unprimeable number, because it can be changed into a prime (52189759) 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, 26252 + ... + 28169.

It is an arithmetic number, because the mean of its divisors is an integer number (7510236).

Almost surely, 2^52189739 is an apocalyptic number.

52189739 is a deficient number, since it is larger than the sum of its proper divisors (7892149).

52189739 is a wasteful number, since it uses less digits than its factorization.

52189739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54565.

The product of its digits is 136080, while the sum is 44.

The square root of 52189739 is about 7224.2466043180. The cubic root of 52189739 is about 373.7045408781.

The spelling of 52189739 in words is "fifty-two million, one hundred eighty-nine thousand, seven hundred thirty-nine".