550776 has 32 divisors (see below), whose sum is σ = 1406160. Its totient is φ = 179712.

The previous prime is 550763. The next prime is 550789. The reversal of 550776 is 677055.

550776 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (550763) and next prime (550789).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 550776.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1056 + ... + 1488.

2⁵⁵⁰⁷⁷⁶ 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 550776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (703080).

550776 is an abundant number, since it is smaller than the sum of its proper divisors (855384).

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

550776 is a wasteful number, since it uses less digits than its factorization.

550776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495 (or 491 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 550776 is about 742.1428433934. The cubic root of 550776 is about 81.9706418797.

It can be divided in two parts, 550 and 776, that added together give a triangular number (1326 = T₅₁).

The spelling of 550776 in words is "five hundred fifty thousand, seven hundred seventy-six".