320284055 has 24 divisors (see below), whose sum is σ = 473599392. Its totient is φ = 202487616.

The previous prime is 320284049. The next prime is 320284073. The reversal of 320284055 is 550482023.

It is not a de Polignac number, because 320284055 - 2¹⁶ = 320218519 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 381326 + ... + 382164.

It is an arithmetic number, because the mean of its divisors is an integer number (19733308).

Almost surely, 2^320284055 is an apocalyptic number.

320284055 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

320284055 is a deficient number, since it is larger than the sum of its proper divisors (153315337).

320284055 is an frugal number, since it uses more digits than its factorization.

320284055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703 (or 864 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 320284055 is about 17896.4816374616. The cubic root of 320284055 is about 684.1927051566.

The spelling of 320284055 in words is "three hundred twenty million, two hundred eighty-four thousand, fifty-five".