54433632389 has 2 divisors, whose sum is σ = 54433632390. Its totient is φ = 54433632388.

The previous prime is 54433632373. The next prime is 54433632431. The reversal of 54433632389 is 98323633445.

54433632389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41611920100 + 12821712289 = 203990^2 + 113233^2 .

It is a cyclic number.

It is not a de Polignac number, because 54433632389 - 2⁴ = 54433632373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54433632289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27216816194 + 27216816195.

It is an arithmetic number, because the mean of its divisors is an integer number (27216816195).

Almost surely, 2^54433632389 is an apocalyptic number.

It is an amenable number.

54433632389 is a deficient number, since it is larger than the sum of its proper divisors (1).

54433632389 is an equidigital number, since it uses as much as digits as its factorization.

54433632389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5598720, while the sum is 50.

The spelling of 54433632389 in words is "fifty-four billion, four hundred thirty-three million, six hundred thirty-two thousand, three hundred eighty-nine".