55443543 has 8 divisors (see below), whose sum is σ = 74860800. Its totient is φ = 36494328.

The previous prime is 55443533. The next prime is 55443569. The reversal of 55443543 is 34534455.

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

It is not a de Polignac number, because 55443543 - 2⁴ = 55443527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55443533) 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 7 ways as a sum of consecutive naturals, for example, 116733 + ... + 117206.

It is an arithmetic number, because the mean of its divisors is an integer number (9357600).

Almost surely, 2^55443543 is an apocalyptic number.

55443543 is a deficient number, since it is larger than the sum of its proper divisors (19417257).

55443543 is a wasteful number, since it uses less digits than its factorization.

55443543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234021.

The product of its digits is 72000, while the sum is 33.

The square root of 55443543 is about 7446.0421030236. The cubic root of 55443543 is about 381.3147969056.

Adding to 55443543 its reverse (34534455), we get a palindrome (89977998).

The spelling of 55443543 in words is "fifty-five million, four hundred forty-three thousand, five hundred forty-three".