550211664 has 80 divisors (see below), whose sum is σ = 1556953920. Its totient is φ = 166656000.

The previous prime is 550211663. The next prime is 550211707. The reversal of 550211664 is 466112055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550211663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12039 + ... + 35289.

It is an arithmetic number, because the mean of its divisors is an integer number (19461924).

Almost surely, 2^550211664 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 550211664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (778476960).

550211664 is an abundant number, since it is smaller than the sum of its proper divisors (1006742256).

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

550211664 is a wasteful number, since it uses less digits than its factorization.

550211664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23308 (or 23302 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 550211664 is about 23456.5910566732. The cubic root of 550211664 is about 819.4263606464.

The spelling of 550211664 in words is "five hundred fifty million, two hundred eleven thousand, six hundred sixty-four".