52159989 has 32 divisors (see below), whose sum is σ = 83128320. Its totient is φ = 28469952.

The previous prime is 52159967. The next prime is 52160023. The reversal of 52159989 is 98995125.

It is a happy number.

It is not a de Polignac number, because 52159989 - 2¹³ = 52151797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52159909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41827 + ... + 43055.

It is an arithmetic number, because the mean of its divisors is an integer number (2597760).

Almost surely, 2^52159989 is an apocalyptic number.

It is an amenable number.

52159989 is a deficient number, since it is larger than the sum of its proper divisors (30968331).

52159989 is a wasteful number, since it uses less digits than its factorization.

52159989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329.

The product of its digits is 291600, while the sum is 48.

The square root of 52159989 is about 7222.1872725650. The cubic root of 52159989 is about 373.6335191059.

The spelling of 52159989 in words is "fifty-two million, one hundred fifty-nine thousand, nine hundred eighty-nine".