550243105 has 16 divisors (see below), whose sum is σ = 670348224. Its totient is φ = 433524160.

The previous prime is 550243103. The next prime is 550243151. The reversal of 550243105 is 501342055.

It is not a de Polignac number, because 550243105 - 2¹ = 550243103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 550243105.

It is not an unprimeable number, because it can be changed into a prime (550243103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142095 + ... + 145915.

It is an arithmetic number, because the mean of its divisors is an integer number (41896764).

Almost surely, 2^550243105 is an apocalyptic number.

It is an amenable number.

550243105 is a deficient number, since it is larger than the sum of its proper divisors (120105119).

550243105 is a wasteful number, since it uses less digits than its factorization.

550243105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4256.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 550243105 is about 23457.2612425236. The cubic root of 550243105 is about 819.4419686358.

The spelling of 550243105 in words is "five hundred fifty million, two hundred forty-three thousand, one hundred five".