550521885 has 32 divisors (see below), whose sum is σ = 889482240. Its totient is φ = 290746368.

The previous prime is 550521869. The next prime is 550521893. The reversal of 550521885 is 588125055.

It is not a de Polignac number, because 550521885 - 2⁴ = 550521869 is a prime.

It is a congruent number.

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, 1149076 + ... + 1149554.

It is an arithmetic number, because the mean of its divisors is an integer number (27796320).

Almost surely, 2^550521885 is an apocalyptic number.

It is an amenable number.

550521885 is a deficient number, since it is larger than the sum of its proper divisors (338960355).

550521885 is a wasteful number, since it uses less digits than its factorization.

550521885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077.

The product of its (nonzero) digits is 80000, while the sum is 39.

The square root of 550521885 is about 23463.2027864910. The cubic root of 550521885 is about 819.5803350297.

The spelling of 550521885 in words is "five hundred fifty million, five hundred twenty-one thousand, eight hundred eighty-five".