550255805 has 16 divisors (see below), whose sum is σ = 733929984. Its totient is φ = 392633280.

The previous prime is 550255801. The next prime is 550255817. The reversal of 550255805 is 508552055.

It is a happy number.

550255805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 550255805 - 2² = 550255801 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550255801) 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, 91469 + ... + 97298.

It is an arithmetic number, because the mean of its divisors is an integer number (45870624).

Almost surely, 2^550255805 is an apocalyptic number.

550255805 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

550255805 is a deficient number, since it is larger than the sum of its proper divisors (183674179).

550255805 is a wasteful number, since it uses less digits than its factorization.

550255805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188836.

The product of its (nonzero) digits is 50000, while the sum is 35.

The square root of 550255805 is about 23457.5319460509. The cubic root of 550255805 is about 819.4482730207.

The spelling of 550255805 in words is "five hundred fifty million, two hundred fifty-five thousand, eight hundred five".