55352443 has 8 divisors (see below), whose sum is σ = 56406960. Its totient is φ = 54301920.

The previous prime is 55352413. The next prime is 55352449. The reversal of 55352443 is 34425355.

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 55352443 - 2⁹ = 55351931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55352449) 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, 55021 + ... + 56017.

It is an arithmetic number, because the mean of its divisors is an integer number (7050870).

Almost surely, 2^55352443 is an apocalyptic number.

55352443 is a deficient number, since it is larger than the sum of its proper divisors (1054517).

55352443 is an equidigital number, since it uses as much as digits as its factorization.

55352443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997.

The product of its digits is 36000, while the sum is 31.

The square root of 55352443 is about 7439.9222442173. The cubic root of 55352443 is about 381.1058346620.

Adding to 55352443 its reverse (34425355), we get a palindrome (89777798).

The spelling of 55352443 in words is "fifty-five million, three hundred fifty-two thousand, four hundred forty-three".