550745589 has 16 divisors (see below), whose sum is σ = 750988800. Its totient is φ = 358903536.

The previous prime is 550745581. The next prime is 550745599. The reversal of 550745589 is 985547055.

It is a happy number.

It is not a de Polignac number, because 550745589 - 2³ = 550745581 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550745581) 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 15 ways as a sum of consecutive naturals, for example, 22992 + ... + 40374.

It is an arithmetic number, because the mean of its divisors is an integer number (46936800).

Almost surely, 2^550745589 is an apocalyptic number.

550745589 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

550745589 is a deficient number, since it is larger than the sum of its proper divisors (200243211).

550745589 is a wasteful number, since it uses less digits than its factorization.

550745589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17624.

The product of its (nonzero) digits is 1260000, while the sum is 48.

The square root of 550745589 is about 23467.9694264331. The cubic root of 550745589 is about 819.6913318711.

The spelling of 550745589 in words is "five hundred fifty million, seven hundred forty-five thousand, five hundred eighty-nine".