54635004989 has 2 divisors, whose sum is σ = 54635004990. Its totient is φ = 54635004988.

The previous prime is 54635004971. The next prime is 54635004997. The reversal of 54635004989 is 98940053645.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54444288889 + 190716100 = 233333^2 + 13810^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54635004989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54635004989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54635004689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27317502494 + 27317502495.

It is an arithmetic number, because the mean of its divisors is an integer number (27317502495).

Almost surely, 2^54635004989 is an apocalyptic number.

It is an amenable number.

54635004989 is a deficient number, since it is larger than the sum of its proper divisors (1).

54635004989 is an equidigital number, since it uses as much as digits as its factorization.

54635004989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4665600, while the sum is 53.

The spelling of 54635004989 in words is "fifty-four billion, six hundred thirty-five million, four thousand, nine hundred eighty-nine".