550745 has 16 divisors (see below), whose sum is σ = 734160. Its totient is φ = 393984.

The previous prime is 550733. The next prime is 550757. The reversal of 550745 is 547055.

550745 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 (550733) and next prime (550757).

It can be written as a sum of positive squares in 8 ways, for example, as 26569 + 524176 = 163^2 + 724^2 .

It is a cyclic number.

It is not a de Polignac number, because 550745 - 2⁸ = 550489 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2291 + ... + 2519.

It is an arithmetic number, because the mean of its divisors is an integer number (45885).

2⁵⁵⁰⁷⁴⁵ is an apocalyptic number.

It is an amenable number.

550745 is a deficient number, since it is larger than the sum of its proper divisors (183415).

550745 is a wasteful number, since it uses less digits than its factorization.

550745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284.

The product of its (nonzero) digits is 3500, while the sum is 26.

The square root of 550745 is about 742.1219576323. The cubic root of 550745 is about 81.9691039662.

The spelling of 550745 in words is "five hundred fifty thousand, seven hundred forty-five".