55505050529 has 2 divisors, whose sum is σ = 55505050530. Its totient is φ = 55505050528.

The previous prime is 55505050477. The next prime is 55505050543. The reversal of 55505050529 is 92505050555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53224797025 + 2280253504 = 230705^2 + 47752^2 .

It is a cyclic number.

It is not a de Polignac number, because 55505050529 - 2¹⁶ = 55504984993 is a prime.

It is not a weakly prime, because it can be changed into another prime (55505050729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27752525264 + 27752525265.

It is an arithmetic number, because the mean of its divisors is an integer number (27752525265).

Almost surely, 2^55505050529 is an apocalyptic number.

It is an amenable number.

55505050529 is a deficient number, since it is larger than the sum of its proper divisors (1).

55505050529 is an equidigital number, since it uses as much as digits as its factorization.

55505050529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 281250, while the sum is 41.

The spelling of 55505050529 in words is "fifty-five billion, five hundred five million, fifty thousand, five hundred twenty-nine".