54830989 has 2 divisors, whose sum is σ = 54830990. Its totient is φ = 54830988.

The previous prime is 54830987. The next prime is 54831013. The reversal of 54830989 is 98903845.

54830989 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., 54316900 + 514089 = 7370^2 + 717^2 .

It is a cyclic number.

It is not a de Polignac number, because 54830989 - 2¹ = 54830987 is a prime.

Together with 54830987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54830983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27415494 + 27415495.

It is an arithmetic number, because the mean of its divisors is an integer number (27415495).

Almost surely, 2^54830989 is an apocalyptic number.

It is an amenable number.

54830989 is a deficient number, since it is larger than the sum of its proper divisors (1).

54830989 is an equidigital number, since it uses as much as digits as its factorization.

54830989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 54830989 is about 7404.7950005385. The cubic root of 54830989 is about 379.9053065065.

The spelling of 54830989 in words is "fifty-four million, eight hundred thirty thousand, nine hundred eighty-nine".