550511249 has 4 divisors (see below), whose sum is σ = 550560564. Its totient is φ = 550461936.

The previous prime is 550511243. The next prime is 550511251. The reversal of 550511249 is 942115055.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 422097025 + 128414224 = 20545^2 + 11332^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550511249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550511243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 959 + ... + 33195.

It is an arithmetic number, because the mean of its divisors is an integer number (137640141).

Almost surely, 2^550511249 is an apocalyptic number.

It is an amenable number.

550511249 is a deficient number, since it is larger than the sum of its proper divisors (49315).

550511249 is a wasteful number, since it uses less digits than its factorization.

550511249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49314.

The product of its (nonzero) digits is 9000, while the sum is 32.

The square root of 550511249 is about 23462.9761326222. The cubic root of 550511249 is about 819.5750569395.

The spelling of 550511249 in words is "five hundred fifty million, five hundred eleven thousand, two hundred forty-nine".