550665053 has 4 divisors (see below), whose sum is σ = 551973468. Its totient is φ = 549356640.

The previous prime is 550665001. The next prime is 550665083. The reversal of 550665053 is 350566055.

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 216031204 + 334633849 = 14698^2 + 18293^2 .

It is a cyclic number.

It is not a de Polignac number, because 550665053 - 2²⁶ = 483556189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550665083) 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, 653576 + ... + 654417.

It is an arithmetic number, because the mean of its divisors is an integer number (137993367).

Almost surely, 2^550665053 is an apocalyptic number.

It is an amenable number.

550665053 is a deficient number, since it is larger than the sum of its proper divisors (1308415).

550665053 is a wasteful number, since it uses less digits than its factorization.

550665053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308414.

The product of its (nonzero) digits is 67500, while the sum is 35.

The square root of 550665053 is about 23466.2534930483. The cubic root of 550665053 is about 819.6513752012.

The spelling of 550665053 in words is "five hundred fifty million, six hundred sixty-five thousand, fifty-three".