550055000057 has 2 divisors, whose sum is σ = 550055000058. Its totient is φ = 550055000056.

The previous prime is 550055000039. The next prime is 550055000087. The reversal of 550055000057 is 750000550055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 409831712761 + 140223287296 = 640181^2 + 374464^2 .

It is a cyclic number.

It is not a de Polignac number, because 550055000057 - 2⁶ = 550054999993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 550054999987 and 550055000032.

It is not a weakly prime, because it can be changed into another prime (550055000087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275027500028 + 275027500029.

It is an arithmetic number, because the mean of its divisors is an integer number (275027500029).

Almost surely, 2^550055000057 is an apocalyptic number.

It is an amenable number.

550055000057 is a deficient number, since it is larger than the sum of its proper divisors (1).

550055000057 is an equidigital number, since it uses as much as digits as its factorization.

550055000057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21875, while the sum is 32.

The spelling of 550055000057 in words is "five hundred fifty billion, fifty-five million, fifty-seven", and thus it is an aban number.