55320343 has 8 divisors (see below), whose sum is σ = 62711600. Its totient is φ = 48377088.

The previous prime is 55320341. The next prime is 55320379. The reversal of 55320343 is 34302355.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55320343 - 2¹ = 55320341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55320341) 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, 111738 + ... + 112231.

It is an arithmetic number, because the mean of its divisors is an integer number (7838950).

Almost surely, 2^55320343 is an apocalyptic number.

55320343 is a deficient number, since it is larger than the sum of its proper divisors (7391257).

55320343 is a wasteful number, since it uses less digits than its factorization.

55320343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224001.

The product of its (nonzero) digits is 5400, while the sum is 25.

The square root of 55320343 is about 7437.7646507536. The cubic root of 55320343 is about 381.0321500920.

Adding to 55320343 its reverse (34302355), we get a palindrome (89622698).

The spelling of 55320343 in words is "fifty-five million, three hundred twenty thousand, three hundred forty-three".