550395 has 28 divisors (see below), whose sum is σ = 996816. Its totient is φ = 291600.

The previous prime is 550379. The next prime is 550427. The reversal of 550395 is 593055.

It is not a de Polignac number, because 550395 - 2⁴ = 550379 is a prime.

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 27 ways as a sum of consecutive naturals, for example, 3570 + ... + 3720.

2⁵⁵⁰³⁹⁵ is an apocalyptic number.

550395 is a deficient number, since it is larger than the sum of its proper divisors (446421).

550395 is an equidigital number, since it uses as much as digits as its factorization.

550395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 3375, while the sum is 27.

The square root of 550395 is about 741.8861098578. The cubic root of 550395 is about 81.9517364211.

The spelling of 550395 in words is "five hundred fifty thousand, three hundred ninety-five".