54123617459 has 2 divisors, whose sum is σ = 54123617460. Its totient is φ = 54123617458.

The previous prime is 54123617453. The next prime is 54123617461. The reversal of 54123617459 is 95471632145.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54123617459 is a prime.

Together with 54123617461, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54123617453) 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, 27061808729 + 27061808730.

It is an arithmetic number, because the mean of its divisors is an integer number (27061808730).

Almost surely, 2^54123617459 is an apocalyptic number.

54123617459 is a deficient number, since it is larger than the sum of its proper divisors (1).

54123617459 is an equidigital number, since it uses as much as digits as its factorization.

54123617459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 907200, while the sum is 47.

The spelling of 54123617459 in words is "fifty-four billion, one hundred twenty-three million, six hundred seventeen thousand, four hundred fifty-nine".