55321343 has 24 divisors (see below), whose sum is σ = 70695504. Its totient is φ = 42806400.

The previous prime is 55321339. The next prime is 55321351. The reversal of 55321343 is 34312355.

It is not a de Polignac number, because 55321343 - 2² = 55321339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55321333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105923 + ... + 106443.

It is an arithmetic number, because the mean of its divisors is an integer number (2945646).

Almost surely, 2^55321343 is an apocalyptic number.

55321343 is a deficient number, since it is larger than the sum of its proper divisors (15374161).

55321343 is a wasteful number, since it uses less digits than its factorization.

55321343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743 (or 736 counting only the distinct ones).

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

The square root of 55321343 is about 7437.8318749485. The cubic root of 55321343 is about 381.0344459916.

Adding to 55321343 its reverse (34312355), we get a palindrome (89633698).

The spelling of 55321343 in words is "fifty-five million, three hundred twenty-one thousand, three hundred forty-three".