550746 has 64 divisors (see below), whose sum is σ = 1474560. Its totient is φ = 149040.

The previous prime is 550733. The next prime is 550757. The reversal of 550746 is 647055.

550746 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11695 + ... + 11741.

It is an arithmetic number, because the mean of its divisors is an integer number (23040).

2⁵⁵⁰⁷⁴⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (737280).

550746 is an abundant number, since it is smaller than the sum of its proper divisors (923814).

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

550746 is a wasteful number, since it uses less digits than its factorization.

550746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 550746 is about 742.1226313757. The cubic root of 550746 is about 81.9691535772.

It can be divided in two parts, 550 and 746, that added together give a 4-th power (1296 = 6⁴).

The spelling of 550746 in words is "five hundred fifty thousand, seven hundred forty-six".