55320326 has 16 divisors (see below), whose sum is σ = 84456000. Its totient is φ = 27172800.

The previous prime is 55320323. The next prime is 55320341. The reversal of 55320326 is 62302355.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55320295 and 55320304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55320323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26675 + ... + 28673.

It is an arithmetic number, because the mean of its divisors is an integer number (5278500).

Almost surely, 2^55320326 is an apocalyptic number.

55320326 is a deficient number, since it is larger than the sum of its proper divisors (29135674).

55320326 is a wasteful number, since it uses less digits than its factorization.

55320326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2239.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 55320326 is about 7437.7635079370. The cubic root of 55320326 is about 381.0321110615.

The spelling of 55320326 in words is "fifty-five million, three hundred twenty thousand, three hundred twenty-six".