54655789 has 2 divisors, whose sum is σ = 54655790. Its totient is φ = 54655788.

The previous prime is 54655787. The next prime is 54655793. The reversal of 54655789 is 98755645.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39312900 + 15342889 = 6270^2 + 3917^2 .

It is a cyclic number.

It is not a de Polignac number, because 54655789 - 2¹ = 54655787 is a prime.

Together with 54655787, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54655787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27327894 + 27327895.

It is an arithmetic number, because the mean of its divisors is an integer number (27327895).

Almost surely, 2^54655789 is an apocalyptic number.

It is an amenable number.

54655789 is a deficient number, since it is larger than the sum of its proper divisors (1).

54655789 is an equidigital number, since it uses as much as digits as its factorization.

54655789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512000, while the sum is 49.

The square root of 54655789 is about 7392.9553630466. The cubic root of 54655789 is about 379.5002409960.

The spelling of 54655789 in words is "fifty-four million, six hundred fifty-five thousand, seven hundred eighty-nine".