305055 has 12 divisors (see below), whose sum is σ = 528840. Its totient is φ = 162672.

The previous prime is 305047. The next prime is 305069. The reversal of 305055 is 550503.

305055 = 245² + 246² + ... + 249².

It is not a de Polignac number, because 305055 - 2³ = 305047 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3345 + ... + 3434.

It is an arithmetic number, because the mean of its divisors is an integer number (44070).

2³⁰⁵⁰⁵⁵ is an apocalyptic number.

305055 is a deficient number, since it is larger than the sum of its proper divisors (223785).

305055 is a wasteful number, since it uses less digits than its factorization.

305055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6790 (or 6787 counting only the distinct ones).

The product of its (nonzero) digits is 375, while the sum is 18.

The square root of 305055 is about 552.3178432750. The cubic root of 305055 is about 67.3172008754.

Adding to 305055 its reverse (550503), we get a palindrome (855558).

The spelling of 305055 in words is "three hundred five thousand, fifty-five".