550453243 has 4 divisors (see below), whose sum is σ = 550690920. Its totient is φ = 550215568.

The previous prime is 550453231. The next prime is 550453327. The reversal of 550453243 is 342354055.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342354055 = 5 ⋅68470811.

It is a cyclic number.

It is not a de Polignac number, because 550453243 - 2⁹ = 550452731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550454243) 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, 115330 + ... + 120007.

It is an arithmetic number, because the mean of its divisors is an integer number (137672730).

Almost surely, 2^550453243 is an apocalyptic number.

550453243 is a deficient number, since it is larger than the sum of its proper divisors (237677).

550453243 is a wasteful number, since it uses less digits than its factorization.

550453243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237676.

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 550453243 is about 23461.7399823628. The cubic root of 550453243 is about 819.5462704005.

The spelling of 550453243 in words is "five hundred fifty million, four hundred fifty-three thousand, two hundred forty-three".