54984896779 has 2 divisors, whose sum is σ = 54984896780. Its totient is φ = 54984896778.

The previous prime is 54984896773. The next prime is 54984896809. The reversal of 54984896779 is 97769848945.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54984896779 - 2¹⁷ = 54984765707 is a prime.

It is not a weakly prime, because it can be changed into another prime (54984896773) 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, 27492448389 + 27492448390.

It is an arithmetic number, because the mean of its divisors is an integer number (27492448390).

Almost surely, 2^54984896779 is an apocalyptic number.

54984896779 is a deficient number, since it is larger than the sum of its proper divisors (1).

54984896779 is an equidigital number, since it uses as much as digits as its factorization.

54984896779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1097349120, while the sum is 76.

The spelling of 54984896779 in words is "fifty-four billion, nine hundred eighty-four million, eight hundred ninety-six thousand, seven hundred seventy-nine".