550726469 has 2 divisors, whose sum is σ = 550726470. Its totient is φ = 550726468.

The previous prime is 550726447. The next prime is 550726493. The reversal of 550726469 is 964627055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 433264225 + 117462244 = 20815^2 + 10838^2 .

It is a cyclic number.

It is not a de Polignac number, because 550726469 - 2¹⁶ = 550660933 is a prime.

It is a super-2 number, since 2×550726469² = 606599287314415922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550726409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275363234 + 275363235.

It is an arithmetic number, because the mean of its divisors is an integer number (275363235).

Almost surely, 2^550726469 is an apocalyptic number.

It is an amenable number.

550726469 is a deficient number, since it is larger than the sum of its proper divisors (1).

550726469 is an equidigital number, since it uses as much as digits as its factorization.

550726469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 44.

The square root of 550726469 is about 23467.5620591488. The cubic root of 550726469 is about 819.6818461364.

The spelling of 550726469 in words is "five hundred fifty million, seven hundred twenty-six thousand, four hundred sixty-nine".