275850 has 36 divisors (see below), whose sum is σ = 742326. Its totient is φ = 73440.

The previous prime is 275837. The next prime is 275881. The reversal of 275850 is 58572.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 106929 + 168921 = 327^2 + 411^2 .

It is a nialpdrome in base 13.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 275850.

It is an unprimeable number.

275850 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 144 + ... + 756.

2²⁷⁵⁸⁵⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 275850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371163).

275850 is an abundant number, since it is smaller than the sum of its proper divisors (466476).

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

275850 is a wasteful number, since it uses less digits than its factorization.

275850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 275850 is about 525.2142420003. The cubic root of 275850 is about 65.0965035958.

The spelling of 275850 in words is "two hundred seventy-five thousand, eight hundred fifty".