550748069 has 4 divisors (see below), whose sum is σ = 561139596. Its totient is φ = 540356544.

The previous prime is 550748063. The next prime is 550748111. The reversal of 550748069 is 960847055.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 481275844 + 69472225 = 21938^2 + 8335^2 .

It is a cyclic number.

It is not a de Polignac number, because 550748069 - 2¹⁶ = 550682533 is a prime.

It is a super-2 number, since 2×550748069² = 606646871014457522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550748063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5195684 + ... + 5195789.

It is an arithmetic number, because the mean of its divisors is an integer number (140284899).

Almost surely, 2^550748069 is an apocalyptic number.

It is an amenable number.

550748069 is a deficient number, since it is larger than the sum of its proper divisors (10391527).

550748069 is a wasteful number, since it uses less digits than its factorization.

550748069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10391526.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 550748069 is about 23468.0222643494. The cubic root of 550748069 is about 819.6925622223.

The spelling of 550748069 in words is "five hundred fifty million, seven hundred forty-eight thousand, sixty-nine".