55654758589 has 2 divisors, whose sum is σ = 55654758590. Its totient is φ = 55654758588.

The previous prime is 55654758557. The next prime is 55654758629. The reversal of 55654758589 is 98585745655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55389622500 + 265136089 = 235350^2 + 16283^2 .

It is a cyclic number.

It is not a de Polignac number, because 55654758589 - 2⁵ = 55654758557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55654752589) 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, 27827379294 + 27827379295.

It is an arithmetic number, because the mean of its divisors is an integer number (27827379295).

Almost surely, 2^55654758589 is an apocalyptic number.

It is an amenable number.

55654758589 is a deficient number, since it is larger than the sum of its proper divisors (1).

55654758589 is an equidigital number, since it uses as much as digits as its factorization.

55654758589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400000, while the sum is 67.

The spelling of 55654758589 in words is "fifty-five billion, six hundred fifty-four million, seven hundred fifty-eight thousand, five hundred eighty-nine".