550009529 has 2 divisors, whose sum is σ = 550009530. Its totient is φ = 550009528.

The previous prime is 550009501. The next prime is 550009561. The reversal of 550009529 is 925900055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 549996304 + 13225 = 23452^2 + 115^2 .

It is a cyclic number.

It is not a de Polignac number, because 550009529 - 2²⁴ = 533232313 is a prime.

It is a Chen prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (550009589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275004764 + 275004765.

It is an arithmetic number, because the mean of its divisors is an integer number (275004765).

Almost surely, 2^550009529 is an apocalyptic number.

It is an amenable number.

550009529 is a deficient number, since it is larger than the sum of its proper divisors (1).

550009529 is an equidigital number, since it uses as much as digits as its factorization.

550009529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20250, while the sum is 35.

The square root of 550009529 is about 23452.2819571998. The cubic root of 550009529 is about 819.3260022778.

The spelling of 550009529 in words is "five hundred fifty million, nine thousand, five hundred twenty-nine".