55300502861 has 2 divisors, whose sum is σ = 55300502862. Its totient is φ = 55300502860.

The previous prime is 55300502857. The next prime is 55300502909. The reversal of 55300502861 is 16820500355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40905062500 + 14395440361 = 202250^2 + 119981^2 .

It is a cyclic number.

It is not a de Polignac number, because 55300502861 - 2² = 55300502857 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55306502861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27650251430 + 27650251431.

It is an arithmetic number, because the mean of its divisors is an integer number (27650251431).

Almost surely, 2^55300502861 is an apocalyptic number.

It is an amenable number.

55300502861 is a deficient number, since it is larger than the sum of its proper divisors (1).

55300502861 is an equidigital number, since it uses as much as digits as its factorization.

55300502861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 55300502861 in words is "fifty-five billion, three hundred million, five hundred two thousand, eight hundred sixty-one".