550038591 has 12 divisors (see below), whose sum is σ = 795710760. Its totient is φ = 366133680.

The previous prime is 550038589. The next prime is 550038617. The reversal of 550038591 is 195830055.

It is a happy number.

550038591 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 550038591 - 2¹ = 550038589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550038551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40281 + ... + 52178.

It is an arithmetic number, because the mean of its divisors is an integer number (66309230).

Almost surely, 2^550038591 is an apocalyptic number.

550038591 is a deficient number, since it is larger than the sum of its proper divisors (245672169).

550038591 is a wasteful number, since it uses less digits than its factorization.

550038591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93126 (or 93123 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The square root of 550038591 is about 23452.9015475698. The cubic root of 550038591 is about 819.3404328356.

The spelling of 550038591 in words is "five hundred fifty million, thirty-eight thousand, five hundred ninety-one".