52243915389 has 16 divisors (see below), whose sum is σ = 70658239680. Its totient is φ = 34332473600.

The previous prime is 52243915357. The next prime is 52243915393. The reversal of 52243915389 is 98351934225.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 52243915389 - 2⁵ = 52243915357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52243915319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311004 + ... + 448565.

It is an arithmetic number, because the mean of its divisors is an integer number (4416139980).

Almost surely, 2^52243915389 is an apocalyptic number.

It is an amenable number.

52243915389 is a deficient number, since it is larger than the sum of its proper divisors (18414324291).

52243915389 is a wasteful number, since it uses less digits than its factorization.

52243915389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759900.

The product of its digits is 2332800, while the sum is 51.

The spelling of 52243915389 in words is "fifty-two billion, two hundred forty-three million, nine hundred fifteen thousand, three hundred eighty-nine".