55353443 has 4 divisors (see below), whose sum is σ = 56849520. Its totient is φ = 53857368.

The previous prime is 55353439. The next prime is 55353469. The reversal of 55353443 is 34435355.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55353443 - 2² = 55353439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55353643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 747983 + ... + 748056.

It is an arithmetic number, because the mean of its divisors is an integer number (14212380).

Almost surely, 2^55353443 is an apocalyptic number.

55353443 is a deficient number, since it is larger than the sum of its proper divisors (1496077).

55353443 is a wasteful number, since it uses less digits than its factorization.

55353443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496076.

The product of its digits is 54000, while the sum is 32.

The square root of 55353443 is about 7439.9894489172. The cubic root of 55353443 is about 381.1081296738.

Adding to 55353443 its reverse (34435355), we get a palindrome (89788798).

The spelling of 55353443 in words is "fifty-five million, three hundred fifty-three thousand, four hundred forty-three".