550000873 has 2 divisors, whose sum is σ = 550000874. Its totient is φ = 550000872.

The previous prime is 550000793. The next prime is 550000883. The reversal of 550000873 is 378000055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 505485289 + 44515584 = 22483^2 + 6672^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550000873 is a prime.

It is not a weakly prime, because it can be changed into another prime (550000883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275000436 + 275000437.

It is an arithmetic number, because the mean of its divisors is an integer number (275000437).

Almost surely, 2^550000873 is an apocalyptic number.

It is an amenable number.

550000873 is a deficient number, since it is larger than the sum of its proper divisors (1).

550000873 is an equidigital number, since it uses as much as digits as its factorization.

550000873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 550000873 is about 23452.0974115323. The cubic root of 550000873 is about 819.3217040959.

The spelling of 550000873 in words is "five hundred fifty million, eight hundred seventy-three", and thus it is an aban number.