55224543 has 16 divisors (see below), whose sum is σ = 80784000. Its totient is φ = 33278880.

The previous prime is 55224529. The next prime is 55224571. The reversal of 55224543 is 34542255.

It is not a de Polignac number, because 55224543 - 2⁵ = 55224511 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55224543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55224643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1233 + ... + 10581.

It is an arithmetic number, because the mean of its divisors is an integer number (5049000).

Almost surely, 2^55224543 is an apocalyptic number.

55224543 is a deficient number, since it is larger than the sum of its proper divisors (25559457).

55224543 is a wasteful number, since it uses less digits than its factorization.

55224543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9542.

The product of its digits is 24000, while the sum is 30.

The square root of 55224543 is about 7431.3217532280. The cubic root of 55224543 is about 380.8120745022.

Adding to 55224543 its reverse (34542255), we get a palindrome (89766798).

The spelling of 55224543 in words is "fifty-five million, two hundred twenty-four thousand, five hundred forty-three".