550555000057 has 2 divisors, whose sum is σ = 550555000058. Its totient is φ = 550555000056.

The previous prime is 550555000019. The next prime is 550555000087. The reversal of 550555000057 is 750000555055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 495913132521 + 54641867536 = 704211^2 + 233756^2 .

It is a cyclic number.

It is not a de Polignac number, because 550555000057 - 2¹¹ = 550554998009 is a prime.

It is a super-2 number, since 2×550555000057² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (550555000087) 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, 275277500028 + 275277500029.

It is an arithmetic number, because the mean of its divisors is an integer number (275277500029).

Almost surely, 2^550555000057 is an apocalyptic number.

It is an amenable number.

550555000057 is a deficient number, since it is larger than the sum of its proper divisors (1).

550555000057 is an equidigital number, since it uses as much as digits as its factorization.

550555000057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 109375, while the sum is 37.

The spelling of 550555000057 in words is "five hundred fifty billion, five hundred fifty-five million, fifty-seven", and thus it is an aban number.