550889433 has 6 divisors (see below), whose sum is σ = 795729194. Its totient is φ = 367259616.

The previous prime is 550889419. The next prime is 550889447. The reversal of 550889433 is 334988055.

It is a happy number.

550889433 is a `hidden beast` number, since 550 + 8 + 8 + 94 + 3 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (550889419) and next prime (550889447).

It can be written as a sum of positive squares in only one way, i.e., 526564809 + 24324624 = 22947^2 + 4932^2 .

It is not a de Polignac number, because 550889433 - 2¹² = 550885337 is a prime.

It is a super-2 number, since 2×550889433² = 606958334782122978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550889483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30604960 + ... + 30604977.

Almost surely, 2^550889433 is an apocalyptic number.

It is an amenable number.

550889433 is a deficient number, since it is larger than the sum of its proper divisors (244839761).

550889433 is a wasteful number, since it uses less digits than its factorization.

550889433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61209943 (or 61209940 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 550889433 is about 23471.0339141675. The cubic root of 550889433 is about 819.7626881190.

The spelling of 550889433 in words is "five hundred fifty million, eight hundred eighty-nine thousand, four hundred thirty-three".