550447216 has 40 divisors (see below), whose sum is σ = 1231889904. Its totient is φ = 235484160.

The previous prime is 550447211. The next prime is 550447237. The reversal of 550447216 is 612744055.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550447211) 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, 88995 + ... + 94978.

Almost surely, 2^550447216 is an apocalyptic number.

It is an amenable number.

550447216 is an abundant number, since it is smaller than the sum of its proper divisors (681442688).

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

550447216 is a wasteful number, since it uses less digits than its factorization.

550447216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184009 (or 184003 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 550447216 is about 23461.6115388521. The cubic root of 550447216 is about 819.5432792755.

The spelling of 550447216 in words is "five hundred fifty million, four hundred forty-seven thousand, two hundred sixteen".