55416303 has 24 divisors (see below), whose sum is σ = 84068400. Its totient is φ = 35126784.

The previous prime is 55416301. The next prime is 55416307. The reversal of 55416303 is 30361455.

It is not a de Polignac number, because 55416303 - 2¹ = 55416301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55416301) 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 23 ways as a sum of consecutive naturals, for example, 15903 + ... + 19071.

It is an arithmetic number, because the mean of its divisors is an integer number (3502850).

Almost surely, 2^55416303 is an apocalyptic number.

55416303 is a deficient number, since it is larger than the sum of its proper divisors (28652097).

55416303 is a wasteful number, since it uses less digits than its factorization.

55416303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3271 (or 3268 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 55416303 is about 7444.2127186157. The cubic root of 55416303 is about 381.2523386760.

Adding to 55416303 its reverse (30361455), we get a palindrome (85777758).

The spelling of 55416303 in words is "fifty-five million, four hundred sixteen thousand, three hundred three".