53923532389 has 2 divisors, whose sum is σ = 53923532390. Its totient is φ = 53923532388.

The previous prime is 53923532329. The next prime is 53923532417. The reversal of 53923532389 is 98323532935.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31264251489 + 22659280900 = 176817^2 + 150530^2 .

It is a cyclic number.

It is not a de Polignac number, because 53923532389 - 2⁹ = 53923531877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53923532329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26961766194 + 26961766195.

It is an arithmetic number, because the mean of its divisors is an integer number (26961766195).

Almost surely, 2^53923532389 is an apocalyptic number.

It is an amenable number.

53923532389 is a deficient number, since it is larger than the sum of its proper divisors (1).

53923532389 is an equidigital number, since it uses as much as digits as its factorization.

53923532389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5248800, while the sum is 52.

The spelling of 53923532389 in words is "fifty-three billion, nine hundred twenty-three million, five hundred thirty-two thousand, three hundred eighty-nine".