550506493 has 4 divisors (see below), whose sum is σ = 550709500. Its totient is φ = 550303488.

The previous prime is 550506433. The next prime is 550506499. The reversal of 550506493 is 394605055.

550506493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 278322489 + 272184004 = 16683^2 + 16498^2 .

It is a cyclic number.

It is not a de Polignac number, because 550506493 - 2¹⁷ = 550375421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550506499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97380 + ... + 102877.

It is an arithmetic number, because the mean of its divisors is an integer number (137677375).

Almost surely, 2^550506493 is an apocalyptic number.

It is an amenable number.

550506493 is a deficient number, since it is larger than the sum of its proper divisors (203007).

550506493 is a wasteful number, since it uses less digits than its factorization.

550506493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203006.

The product of its (nonzero) digits is 81000, while the sum is 37.

The square root of 550506493 is about 23462.8747812368. The cubic root of 550506493 is about 819.5726967635.

The spelling of 550506493 in words is "five hundred fifty million, five hundred six thousand, four hundred ninety-three".