54561205502351 has 2 divisors, whose sum is σ = 54561205502352. Its totient is φ = 54561205502350.

The previous prime is 54561205502341. The next prime is 54561205502459. The reversal of 54561205502351 is 15320550216545.

54561205502351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54561205502351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54561205502341) 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, 27280602751175 + 27280602751176.

It is an arithmetic number, because the mean of its divisors is an integer number (27280602751176).

Almost surely, 2^{54561205502351} is an apocalyptic number.

54561205502351 is a deficient number, since it is larger than the sum of its proper divisors (1).

54561205502351 is an equidigital number, since it uses as much as digits as its factorization.

54561205502351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900000, while the sum is 44.

Adding to 54561205502351 its reverse (15320550216545), we get a palindrome (69881755718896).

The spelling of 54561205502351 in words is "fifty-four trillion, five hundred sixty-one billion, two hundred five million, five hundred two thousand, three hundred fifty-one".