54550545853 has 2 divisors, whose sum is σ = 54550545854. Its totient is φ = 54550545852.

The previous prime is 54550545851. The next prime is 54550545943. The reversal of 54550545853 is 35854505545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43690196484 + 10860349369 = 209022^2 + 104213^2 .

It is a cyclic number.

It is not a de Polignac number, because 54550545853 - 2¹ = 54550545851 is a prime.

Together with 54550545851, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 54550545797 and 54550545806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54550545851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27275272926 + 27275272927.

It is an arithmetic number, because the mean of its divisors is an integer number (27275272927).

Almost surely, 2^54550545853 is an apocalyptic number.

It is an amenable number.

54550545853 is a deficient number, since it is larger than the sum of its proper divisors (1).

54550545853 is an equidigital number, since it uses as much as digits as its factorization.

54550545853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6000000, while the sum is 49.

The spelling of 54550545853 in words is "fifty-four billion, five hundred fifty million, five hundred forty-five thousand, eight hundred fifty-three".