550277555 has 4 divisors (see below), whose sum is σ = 660333072. Its totient is φ = 440222040.

The previous prime is 550277543. The next prime is 550277557. The reversal of 550277555 is 555772055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 555772055 = 5 ⋅111154411.

It is not a de Polignac number, because 550277555 - 2¹⁴ = 550261171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550277557) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 55027751 + ... + 55027760.

It is an arithmetic number, because the mean of its divisors is an integer number (165083268).

Almost surely, 2^550277555 is an apocalyptic number.

550277555 is a deficient number, since it is larger than the sum of its proper divisors (110055517).

550277555 is a wasteful number, since it uses less digits than its factorization.

550277555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110055516.

The product of its (nonzero) digits is 306250, while the sum is 41.

The square root of 550277555 is about 23457.9955452293. The cubic root of 550277555 is about 819.4590696750.

The spelling of 550277555 in words is "five hundred fifty million, two hundred seventy-seven thousand, five hundred fifty-five".