55500016849 has 2 divisors, whose sum is σ = 55500016850. Its totient is φ = 55500016848.

The previous prime is 55500016829. The next prime is 55500016919. The reversal of 55500016849 is 94861000555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51867785025 + 3632231824 = 227745^2 + 60268^2 .

It is a cyclic number.

It is not a de Polignac number, because 55500016849 - 2¹³ = 55500008657 is a prime.

It is not a weakly prime, because it can be changed into another prime (55500016829) 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, 27750008424 + 27750008425.

It is an arithmetic number, because the mean of its divisors is an integer number (27750008425).

Almost surely, 2^55500016849 is an apocalyptic number.

It is an amenable number.

55500016849 is a deficient number, since it is larger than the sum of its proper divisors (1).

55500016849 is an equidigital number, since it uses as much as digits as its factorization.

55500016849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216000, while the sum is 43.

The spelling of 55500016849 in words is "fifty-five billion, five hundred million, sixteen thousand, eight hundred forty-nine".