550155216 has 80 divisors (see below), whose sum is σ = 1597147776. Its totient is φ = 161914368.

The previous prime is 550155209. The next prime is 550155217. The reversal of 550155216 is 612551055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550155217) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4815 + ... + 33518.

Almost surely, 2^550155216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550155216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (798573888).

550155216 is an abundant number, since it is smaller than the sum of its proper divisors (1046992560).

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

550155216 is a wasteful number, since it uses less digits than its factorization.

550155216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38380 (or 38374 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 30.

The square root of 550155216 is about 23455.3877819148. The cubic root of 550155216 is about 819.3983371516.

The spelling of 550155216 in words is "five hundred fifty million, one hundred fifty-five thousand, two hundred sixteen".