54688839619 has 2 divisors, whose sum is σ = 54688839620. Its totient is φ = 54688839618.

The previous prime is 54688839613. The next prime is 54688839643. The reversal of 54688839619 is 91693888645.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54688839619 - 2⁵ = 54688839587 is a prime.

It is a super-2 number, since 2×54688839619² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54688839613) 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, 27344419809 + 27344419810.

It is an arithmetic number, because the mean of its divisors is an integer number (27344419810).

Almost surely, 2^54688839619 is an apocalyptic number.

54688839619 is a deficient number, since it is larger than the sum of its proper divisors (1).

54688839619 is an equidigital number, since it uses as much as digits as its factorization.

54688839619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 89579520, while the sum is 67.

The spelling of 54688839619 in words is "fifty-four billion, six hundred eighty-eight million, eight hundred thirty-nine thousand, six hundred nineteen".