55163303 has 8 divisors (see below), whose sum is σ = 59520048. Its totient is φ = 50822784.

The previous prime is 55163267. The next prime is 55163321. The reversal of 55163303 is 30336155.

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

It is a cyclic number.

It is not a de Polignac number, because 55163303 - 2¹⁰ = 55162279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55163393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3551 + ... + 11087.

It is an arithmetic number, because the mean of its divisors is an integer number (7440006).

Almost surely, 2^55163303 is an apocalyptic number.

55163303 is a deficient number, since it is larger than the sum of its proper divisors (4356745).

55163303 is a wasteful number, since it uses less digits than its factorization.

55163303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8113.

The product of its (nonzero) digits is 4050, while the sum is 26.

The square root of 55163303 is about 7427.2002127316. The cubic root of 55163303 is about 380.6712581436.

Adding to 55163303 its reverse (30336155), we get a palindrome (85499458).

The spelling of 55163303 in words is "fifty-five million, one hundred sixty-three thousand, three hundred three".