54949567 has 2 divisors, whose sum is σ = 54949568. Its totient is φ = 54949566.

The previous prime is 54949549. The next prime is 54949589. The reversal of 54949567 is 76594945.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54949567 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54949567.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54949537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27474783 + 27474784.

It is an arithmetic number, because the mean of its divisors is an integer number (27474784).

Almost surely, 2^54949567 is an apocalyptic number.

54949567 is a deficient number, since it is larger than the sum of its proper divisors (1).

54949567 is an equidigital number, since it uses as much as digits as its factorization.

54949567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1360800, while the sum is 49.

The square root of 54949567 is about 7412.7975151086. The cubic root of 54949567 is about 380.1789715585.

The spelling of 54949567 in words is "fifty-four million, nine hundred forty-nine thousand, five hundred sixty-seven".