55243342 has 16 divisors (see below), whose sum is σ = 103312512. Its totient is φ = 21523320.

The previous prime is 55243339. The next prime is 55243361. The reversal of 55243342 is 24334255.

It is a self number, because there is not a number n which added to its sum of digits gives 55243342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179208 + ... + 179515.

It is an arithmetic number, because the mean of its divisors is an integer number (6457032).

Almost surely, 2^55243342 is an apocalyptic number.

55243342 is a deficient number, since it is larger than the sum of its proper divisors (48069170).

55243342 is a wasteful number, since it uses less digits than its factorization.

55243342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358743.

The product of its digits is 14400, while the sum is 28.

The square root of 55243342 is about 7432.5864946195. The cubic root of 55243342 is about 380.8552803767.

Adding to 55243342 its reverse (24334255), we get a palindrome (79577597).

The spelling of 55243342 in words is "fifty-five million, two hundred forty-three thousand, three hundred forty-two".