54123658859 has 2 divisors, whose sum is σ = 54123658860. Its totient is φ = 54123658858.

The previous prime is 54123658847. The next prime is 54123658921. The reversal of 54123658859 is 95885632145.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54123658859 - 2¹⁶ = 54123593323 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (54123654859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27061829429 + 27061829430.

It is an arithmetic number, because the mean of its divisors is an integer number (27061829430).

Almost surely, 2^54123658859 is an apocalyptic number.

54123658859 is a deficient number, since it is larger than the sum of its proper divisors (1).

54123658859 is an equidigital number, since it uses as much as digits as its factorization.

54123658859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368000, while the sum is 56.

The spelling of 54123658859 in words is "fifty-four billion, one hundred twenty-three million, six hundred fifty-eight thousand, eight hundred fifty-nine".