52010989 has 4 divisors (see below), whose sum is σ = 52104924. Its totient is φ = 51917056.

The previous prime is 52010957. The next prime is 52011031. The reversal of 52010989 is 98901025.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28536964 + 23474025 = 5342^2 + 4845^2 .

It is a cyclic number.

It is not a de Polignac number, because 52010989 - 2⁵ = 52010957 is a prime.

It is a Duffinian number.

52010989 is a modest number, since divided by 10989 gives 52 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52010689) 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 3 ways as a sum of consecutive naturals, for example, 46132 + ... + 47245.

It is an arithmetic number, because the mean of its divisors is an integer number (13026231).

Almost surely, 2^52010989 is an apocalyptic number.

It is an amenable number.

52010989 is a deficient number, since it is larger than the sum of its proper divisors (93935).

52010989 is an equidigital number, since it uses as much as digits as its factorization.

52010989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93934.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 52010989 is about 7211.8644607341. The cubic root of 52010989 is about 373.2774064998.

The spelling of 52010989 in words is "fifty-two million, ten thousand, nine hundred eighty-nine".