550411129 has 2 divisors, whose sum is σ = 550411130. Its totient is φ = 550411128.

The previous prime is 550411111. The next prime is 550411139. The reversal of 550411129 is 921114055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 528770025 + 21641104 = 22995^2 + 4652^2 .

It is a cyclic number.

It is not a de Polignac number, because 550411129 - 2¹⁷ = 550280057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 550411097 and 550411106.

It is not a weakly prime, because it can be changed into another prime (550411139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275205564 + 275205565.

It is an arithmetic number, because the mean of its divisors is an integer number (275205565).

Almost surely, 2^550411129 is an apocalyptic number.

It is an amenable number.

550411129 is a deficient number, since it is larger than the sum of its proper divisors (1).

550411129 is an equidigital number, since it uses as much as digits as its factorization.

550411129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 550411129 is about 23460.8424614292. The cubic root of 550411129 is about 819.5253692902.

The spelling of 550411129 in words is "five hundred fifty million, four hundred eleven thousand, one hundred twenty-nine".