550542565 has 8 divisors (see below), whose sum is σ = 665695008. Its totient is φ = 437071440.

The previous prime is 550542557. The next prime is 550542581. The reversal of 550542565 is 565245055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 550542565 - 2³ = 550542557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419607 + ... + 420916.

It is an arithmetic number, because the mean of its divisors is an integer number (83211876).

Almost surely, 2^550542565 is an apocalyptic number.

It is an amenable number.

550542565 is a deficient number, since it is larger than the sum of its proper divisors (115152443).

550542565 is a wasteful number, since it uses less digits than its factorization.

550542565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840659.

The product of its (nonzero) digits is 150000, while the sum is 37.

The square root of 550542565 is about 23463.6434724021. The cubic root of 550542565 is about 819.5905972370.

The spelling of 550542565 in words is "five hundred fifty million, five hundred forty-two thousand, five hundred sixty-five".