550744459 has 4 divisors (see below), whose sum is σ = 550807504. Its totient is φ = 550681416.

The previous prime is 550744433. The next prime is 550744477. The reversal of 550744459 is 954447055.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 550744459 - 2⁷ = 550744331 is a prime.

It is a super-3 number, since 3×550744459³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550754459) 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, 15807 + ... + 36760.

It is an arithmetic number, because the mean of its divisors is an integer number (137701876).

Almost surely, 2^550744459 is an apocalyptic number.

550744459 is a deficient number, since it is larger than the sum of its proper divisors (63045).

550744459 is a wasteful number, since it uses less digits than its factorization.

550744459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63044.

The product of its (nonzero) digits is 504000, while the sum is 43.

The square root of 550744459 is about 23467.9453510528. The cubic root of 550744459 is about 819.6907712663.

The spelling of 550744459 in words is "five hundred fifty million, seven hundred forty-four thousand, four hundred fifty-nine".