320424055 has 16 divisors (see below), whose sum is σ = 439833600. Its totient is φ = 219521952.

The previous prime is 320424031. The next prime is 320424127. The reversal of 320424055 is 550424023.

It is a cyclic number.

It is not a de Polignac number, because 320424055 - 2⁷ = 320423927 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42996 + ... + 49894.

It is an arithmetic number, because the mean of its divisors is an integer number (27489600).

Almost surely, 2^320424055 is an apocalyptic number.

320424055 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

320424055 is a deficient number, since it is larger than the sum of its proper divisors (119409545).

320424055 is a wasteful number, since it uses less digits than its factorization.

320424055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8238.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 320424055 is about 17900.3925934601. The cubic root of 320424055 is about 684.2923802461.

Adding to 320424055 its reverse (550424023), we get a palindrome (870848078).

The spelling of 320424055 in words is "three hundred twenty million, four hundred twenty-four thousand, fifty-five".