52039568989 has 8 divisors (see below), whose sum is σ = 55123045560. Its totient is φ = 48958573056.

The previous prime is 52039568947. The next prime is 52039569017. The reversal of 52039568989 is 98986593025.

It can be written as a sum of positive squares in 4 ways, for example, as 29863296100 + 22176272889 = 172810^2 + 148917^2 .

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 52039568989 - 2²³ = 52031180381 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 52039568989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52039568929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 576874 + ... + 660955.

It is an arithmetic number, because the mean of its divisors is an integer number (6890380695).

Almost surely, 2^52039568989 is an apocalyptic number.

It is an amenable number.

52039568989 is a deficient number, since it is larger than the sum of its proper divisors (3083476571).

52039568989 is a wasteful number, since it uses less digits than its factorization.

52039568989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240319.

The product of its (nonzero) digits is 41990400, while the sum is 64.

The spelling of 52039568989 in words is "fifty-two billion, thirty-nine million, five hundred sixty-eight thousand, nine hundred eighty-nine".