550453646 has 16 divisors (see below), whose sum is σ = 833099904. Its totient is φ = 272765184.

The previous prime is 550453627. The next prime is 550453661. The reversal of 550453646 is 646354055.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101270 + ... + 106566.

It is an arithmetic number, because the mean of its divisors is an integer number (52068744).

Almost surely, 2^550453646 is an apocalyptic number.

550453646 is a deficient number, since it is larger than the sum of its proper divisors (282646258).

550453646 is a wasteful number, since it uses less digits than its factorization.

550453646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5755.

The product of its (nonzero) digits is 216000, while the sum is 38.

The square root of 550453646 is about 23461.7485708120. The cubic root of 550453646 is about 819.5464704036.

The spelling of 550453646 in words is "five hundred fifty million, four hundred fifty-three thousand, six hundred forty-six".