550654986 has 16 divisors (see below), whose sum is σ = 1258640064. Its totient is φ = 157329984.

The previous prime is 550654981. The next prime is 550654999. The reversal of 550654986 is 689456055.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (550654981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6555375 + ... + 6555458.

It is an arithmetic number, because the mean of its divisors is an integer number (78665004).

Almost surely, 2^550654986 is an apocalyptic number.

550654986 is an abundant number, since it is smaller than the sum of its proper divisors (707985078).

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

550654986 is a wasteful number, since it uses less digits than its factorization.

550654986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13110845.

The product of its (nonzero) digits is 1296000, while the sum is 48.

The square root of 550654986 is about 23466.0389925526. The cubic root of 550654986 is about 819.6463803435.

The spelling of 550654986 in words is "five hundred fifty million, six hundred fifty-four thousand, nine hundred eighty-six".