54889361 has 2 divisors, whose sum is σ = 54889362. Its totient is φ = 54889360.

The previous prime is 54889343. The next prime is 54889363. The reversal of 54889361 is 16398845.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34810000 + 20079361 = 5900^2 + 4481^2 .

It is a cyclic number.

It is not a de Polignac number, because 54889361 - 2⁶ = 54889297 is a prime.

It is a Sophie Germain prime.

Together with 54889363, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (54889363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27444680 + 27444681.

It is an arithmetic number, because the mean of its divisors is an integer number (27444681).

Almost surely, 2^54889361 is an apocalyptic number.

It is an amenable number.

54889361 is a deficient number, since it is larger than the sum of its proper divisors (1).

54889361 is an equidigital number, since it uses as much as digits as its factorization.

54889361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 44.

The square root of 54889361 is about 7408.7354521538. The cubic root of 54889361 is about 380.0400719514.

The spelling of 54889361 in words is "fifty-four million, eight hundred eighty-nine thousand, three hundred sixty-one".