54072686009 has 2 divisors, whose sum is σ = 54072686010. Its totient is φ = 54072686008.

The previous prime is 54072685969. The next prime is 54072686021. The reversal of 54072686009 is 90068627045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54008365609 + 64320400 = 232397^2 + 8020^2 .

It is a cyclic number.

It is not a de Polignac number, because 54072686009 - 2⁸ = 54072685753 is a prime.

It is not a weakly prime, because it can be changed into another prime (54072686069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27036343004 + 27036343005.

It is an arithmetic number, because the mean of its divisors is an integer number (27036343005).

Almost surely, 2^54072686009 is an apocalyptic number.

It is an amenable number.

54072686009 is a deficient number, since it is larger than the sum of its proper divisors (1).

54072686009 is an equidigital number, since it uses as much as digits as its factorization.

54072686009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 54072686009 in words is "fifty-four billion, seventy-two million, six hundred eighty-six thousand, nine".