550011115 has 32 divisors (see below), whose sum is σ = 711239616. Its totient is φ = 406855680.

The previous prime is 550011079. The next prime is 550011139. The reversal of 550011115 is 511110055.

It is a happy number.

It is not a de Polignac number, because 550011115 - 2¹¹ = 550009067 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 550011092 and 550011101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1661500 + ... + 1661830.

It is an arithmetic number, because the mean of its divisors is an integer number (22226238).

Almost surely, 2^550011115 is an apocalyptic number.

550011115 is a deficient number, since it is larger than the sum of its proper divisors (161228501).

550011115 is a wasteful number, since it uses less digits than its factorization.

550011115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639.

The product of its (nonzero) digits is 125, while the sum is 19.

The square root of 550011115 is about 23452.3157705161. The cubic root of 550011115 is about 819.3267898095.

The spelling of 550011115 in words is "five hundred fifty million, eleven thousand, one hundred fifteen".