550769589 has 12 divisors (see below), whose sum is σ = 803758956. Its totient is φ = 363393792.

The previous prime is 550769581. The next prime is 550769599. The reversal of 550769589 is 985967055.

It is a happy number.

550769589 is a `hidden beast` number, since 5 + 50 + 7 + 6 + 9 + 589 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 217415025 + 333354564 = 14745^2 + 18258^2 .

It is not a de Polignac number, because 550769589 - 2³ = 550769581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550769581) 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 11 ways as a sum of consecutive naturals, for example, 314574 + ... + 316319.

It is an arithmetic number, because the mean of its divisors is an integer number (66979913).

Almost surely, 2^550769589 is an apocalyptic number.

It is an amenable number.

550769589 is a deficient number, since it is larger than the sum of its proper divisors (252989367).

550769589 is a wasteful number, since it uses less digits than its factorization.

550769589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630996 (or 630993 counting only the distinct ones).

The product of its (nonzero) digits is 3402000, while the sum is 54.

The square root of 550769589 is about 23468.4807561120. The cubic root of 550769589 is about 819.7032383403.

The spelling of 550769589 in words is "five hundred fifty million, seven hundred sixty-nine thousand, five hundred eighty-nine".