550375 has 32 divisors (see below), whose sum is σ = 853632. Its totient is φ = 345600.

The previous prime is 550369. The next prime is 550379. The reversal of 550375 is 573055.

It is a happy number.

It is not a de Polignac number, because 550375 - 2⁹ = 549863 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14857 + ... + 14893.

It is an arithmetic number, because the mean of its divisors is an integer number (26676).

2⁵⁵⁰³⁷⁵ is an apocalyptic number.

550375 is a deficient number, since it is larger than the sum of its proper divisors (303257).

550375 is a wasteful number, since it uses less digits than its factorization.

550375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 2625, while the sum is 25.

The square root of 550375 is about 741.8726305775. The cubic root of 550375 is about 81.9507437676.

The spelling of 550375 in words is "five hundred fifty thousand, three hundred seventy-five".