550150129 has 2 divisors, whose sum is σ = 550150130. Its totient is φ = 550150128.

The previous prime is 550150093. The next prime is 550150171. The reversal of 550150129 is 921051055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 473149504 + 77000625 = 21752^2 + 8775^2 .

It is a cyclic number.

It is not a de Polignac number, because 550150129 - 2⁷ = 550150001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 550150097 and 550150106.

It is not a weakly prime, because it can be changed into another prime (550150829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275075064 + 275075065.

It is an arithmetic number, because the mean of its divisors is an integer number (275075065).

Almost surely, 2^550150129 is an apocalyptic number.

It is an amenable number.

550150129 is a deficient number, since it is larger than the sum of its proper divisors (1).

550150129 is an equidigital number, since it uses as much as digits as its factorization.

550150129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2250, while the sum is 28.

The square root of 550150129 is about 23455.2793417601. The cubic root of 550150129 is about 819.3958116267.

The spelling of 550150129 in words is "five hundred fifty million, one hundred fifty thousand, one hundred twenty-nine".