550823418 has 12 divisors (see below), whose sum is σ = 1193450778. Its totient is φ = 183607800.

The previous prime is 550823411. The next prime is 550823423. The reversal of 550823418 is 814328055.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 418734369 + 132089049 = 20463^2 + 11493^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (550823411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15300633 + ... + 15300668.

Almost surely, 2^550823418 is an apocalyptic number.

550823418 is an abundant number, since it is smaller than the sum of its proper divisors (642627360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550823418 is a wasteful number, since it uses less digits than its factorization.

550823418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30601309 (or 30601306 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 550823418 is about 23469.6275641519. The cubic root of 550823418 is about 819.7299418047.

The spelling of 550823418 in words is "five hundred fifty million, eight hundred twenty-three thousand, four hundred eighteen".