550555000157 has 2 divisors, whose sum is σ = 550555000158. Its totient is φ = 550555000156.

The previous prime is 550555000129. The next prime is 550555000189. The reversal of 550555000157 is 751000555055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 433581423961 + 116973576196 = 658469^2 + 342014^2 .

It is a cyclic number.

It is not a de Polignac number, because 550555000157 - 2¹⁶ = 550554934621 is a prime.

It is a super-2 number, since 2×550555000157² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 550555000157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550555000117) 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, 275277500078 + 275277500079.

It is an arithmetic number, because the mean of its divisors is an integer number (275277500079).

Almost surely, 2^550555000157 is an apocalyptic number.

It is an amenable number.

550555000157 is a deficient number, since it is larger than the sum of its proper divisors (1).

550555000157 is an equidigital number, since it uses as much as digits as its factorization.

550555000157 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 38.

The spelling of 550555000157 in words is "five hundred fifty billion, five hundred fifty-five million, one hundred fifty-seven", and thus it is an aban number.