550111650 has 96 divisors (see below), whose sum is σ = 1503493056. Its totient is φ = 132000000.

The previous prime is 550111613. The next prime is 550111663. The reversal of 550111650 is 56111055.

It is a self number, because there is not a number n which added to its sum of digits gives 550111650.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 165000 + ... + 168300.

It is an arithmetic number, because the mean of its divisors is an integer number (15661386).

Almost surely, 2^550111650 is an apocalyptic number.

550111650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 550111650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (751746528).

550111650 is an abundant number, since it is smaller than the sum of its proper divisors (953381406).

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

550111650 is a wasteful number, since it uses less digits than its factorization.

550111650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3428 (or 3423 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 550111650 is about 23454.4590643229. The cubic root of 550111650 is about 819.3767075889.

The spelling of 550111650 in words is "five hundred fifty million, one hundred eleven thousand, six hundred fifty".