54126689 has 2 divisors, whose sum is σ = 54126690. Its totient is φ = 54126688.

The previous prime is 54126647. The next prime is 54126749. The reversal of 54126689 is 98662145.

It is a happy number.

54126689 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., 30195025 + 23931664 = 5495^2 + 4892^2 .

It is a cyclic number.

It is not a de Polignac number, because 54126689 - 2⁸ = 54126433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54126619) 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, 27063344 + 27063345.

It is an arithmetic number, because the mean of its divisors is an integer number (27063345).

Almost surely, 2^54126689 is an apocalyptic number.

It is an amenable number.

54126689 is a deficient number, since it is larger than the sum of its proper divisors (1).

54126689 is an equidigital number, since it uses as much as digits as its factorization.

54126689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 41.

The square root of 54126689 is about 7357.0842729984. The cubic root of 54126689 is about 378.2716732537.

The spelling of 54126689 in words is "fifty-four million, one hundred twenty-six thousand, six hundred eighty-nine".