54517913 has 2 divisors, whose sum is σ = 54517914. Its totient is φ = 54517912.

The previous prime is 54517907. The next prime is 54517921. The reversal of 54517913 is 31971545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48622729 + 5895184 = 6973^2 + 2428^2 .

It is a cyclic number.

It is not a de Polignac number, because 54517913 - 2¹⁸ = 54255769 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (54517943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27258956 + 27258957.

It is an arithmetic number, because the mean of its divisors is an integer number (27258957).

Almost surely, 2^54517913 is an apocalyptic number.

It is an amenable number.

54517913 is a deficient number, since it is larger than the sum of its proper divisors (1).

54517913 is an equidigital number, since it uses as much as digits as its factorization.

54517913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18900, while the sum is 35.

The square root of 54517913 is about 7383.6246518902. The cubic root of 54517913 is about 379.1808601592.

The spelling of 54517913 in words is "fifty-four million, five hundred seventeen thousand, nine hundred thirteen".