550405116 has 18 divisors (see below), whose sum is σ = 1391301912. Its totient is φ = 183468360.

The previous prime is 550405049. The next prime is 550405133. The reversal of 550405116 is 611504055.

It is a happy number.

550405116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 550405116.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7644480 + ... + 7644551.

Almost surely, 2^550405116 is an apocalyptic number.

It is an amenable number.

550405116 is an abundant number, since it is smaller than the sum of its proper divisors (840896796).

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

550405116 is a wasteful number, since it uses less digits than its factorization.

550405116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15289041 (or 15289036 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 550405116 is about 23460.7143113759. The cubic root of 550405116 is about 819.5223849610.

The spelling of 550405116 in words is "five hundred fifty million, four hundred five thousand, one hundred sixteen".