550788 has 48 divisors (see below), whose sum is σ = 1505280. Its totient is φ = 153504.

The previous prime is 550763. The next prime is 550789. The reversal of 550788 is 887055.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 550788.

It is not an unprimeable number, because it can be changed into a prime (550789) 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, 6595 + ... + 6677.

It is an arithmetic number, because the mean of its divisors is an integer number (31360).

2⁵⁵⁰⁷⁸⁸ 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 550788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (752640).

550788 is an abundant number, since it is smaller than the sum of its proper divisors (954492).

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

550788 is a wasteful number, since it uses less digits than its factorization.

550788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 33.

The square root of 550788 is about 742.1509280463. The cubic root of 550788 is about 81.9712371856.

The spelling of 550788 in words is "five hundred fifty thousand, seven hundred eighty-eight".