55242303 has 8 divisors (see below), whose sum is σ = 76196400. Its totient is φ = 35558208.

The previous prime is 55242301. The next prime is 55242311. The reversal of 55242303 is 30324255.

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

It is not a de Polignac number, because 55242303 - 2¹ = 55242301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55242301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317398 + ... + 317571.

It is an arithmetic number, because the mean of its divisors is an integer number (9524550).

Almost surely, 2^55242303 is an apocalyptic number.

55242303 is a deficient number, since it is larger than the sum of its proper divisors (20954097).

55242303 is a wasteful number, since it uses less digits than its factorization.

55242303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635001.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 55242303 is about 7432.5165993760. The cubic root of 55242303 is about 380.8528926916.

Adding to 55242303 its reverse (30324255), we get a palindrome (85566558).

The spelling of 55242303 in words is "fifty-five million, two hundred forty-two thousand, three hundred three".