52765989 has 8 divisors (see below), whose sum is σ = 70447200. Its totient is φ = 35131056.

The previous prime is 52765987. The next prime is 52765991. The reversal of 52765989 is 98956725.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (52765987) and next prime (52765991).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52765989 - 2¹ = 52765987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52765981) 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 7 ways as a sum of consecutive naturals, for example, 8814 + ... + 13535.

It is an arithmetic number, because the mean of its divisors is an integer number (8805900).

Almost surely, 2^52765989 is an apocalyptic number.

It is an amenable number.

52765989 is a deficient number, since it is larger than the sum of its proper divisors (17681211).

52765989 is a wasteful number, since it uses less digits than its factorization.

52765989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23139.

The product of its digits is 1360800, while the sum is 51.

The square root of 52765989 is about 7264.0201679235. The cubic root of 52765989 is about 375.0749219191.

The spelling of 52765989 in words is "fifty-two million, seven hundred sixty-five thousand, nine hundred eighty-nine".