550510923 has 16 divisors (see below), whose sum is σ = 740077056. Its totient is φ = 363985440.

The previous prime is 550510907. The next prime is 550510943. The reversal of 550510923 is 329015055.

It is not a de Polignac number, because 550510923 - 2⁴ = 550510907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550510943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 428440 + ... + 429722.

It is an arithmetic number, because the mean of its divisors is an integer number (46254816).

Almost surely, 2^550510923 is an apocalyptic number.

550510923 is a deficient number, since it is larger than the sum of its proper divisors (189566133).

550510923 is a wasteful number, since it uses less digits than its factorization.

550510923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2354.

The product of its (nonzero) digits is 6750, while the sum is 30.

The square root of 550510923 is about 23462.9691855059. The cubic root of 550510923 is about 819.5748951616.

Adding to 550510923 its reverse (329015055), we get a palindrome (879525978).

The spelling of 550510923 in words is "five hundred fifty million, five hundred ten thousand, nine hundred twenty-three".