52023989 has 4 divisors (see below), whose sum is σ = 52539180. Its totient is φ = 51508800.

The previous prime is 52023977. The next prime is 52023997. The reversal of 52023989 is 98932025.

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 27352900 + 24671089 = 5230^2 + 4967^2 .

It is a cyclic number.

It is not a de Polignac number, because 52023989 - 2⁸ = 52023733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52023929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257444 + ... + 257645.

It is an arithmetic number, because the mean of its divisors is an integer number (13134795).

Almost surely, 2^52023989 is an apocalyptic number.

It is an amenable number.

52023989 is a deficient number, since it is larger than the sum of its proper divisors (515191).

52023989 is a wasteful number, since it uses less digits than its factorization.

52023989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515190.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 52023989 is about 7212.7656970125. The cubic root of 52023989 is about 373.3085037873.

The spelling of 52023989 in words is "fifty-two million, twenty-three thousand, nine hundred eighty-nine".