52236245389 has 8 divisors (see below), whose sum is σ = 57216171960. Its totient is φ = 47468230656.

The previous prime is 52236245371. The next prime is 52236245401. The reversal of 52236245389 is 98354263225.

It can be written as a sum of positive squares in 4 ways, for example, as 19560260164 + 32675985225 = 139858^2 + 180765^2 .

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 52236245389 - 2⁷ = 52236245261 is a prime.

It is a super-2 number, since 2×52236245389² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52236245189) 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 7 ways as a sum of consecutive naturals, for example, 52977444 + ... + 52978429.

It is an arithmetic number, because the mean of its divisors is an integer number (7152021495).

Almost surely, 2^52236245389 is an apocalyptic number.

It is an amenable number.

52236245389 is a deficient number, since it is larger than the sum of its proper divisors (4979926571).

52236245389 is a wasteful number, since it uses less digits than its factorization.

52236245389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105955919.

The product of its digits is 3110400, while the sum is 49.

The spelling of 52236245389 in words is "fifty-two billion, two hundred thirty-six million, two hundred forty-five thousand, three hundred eighty-nine".