55216353 has 8 divisors (see below), whose sum is σ = 76822848. Its totient is φ = 35210384.

The previous prime is 55216351. The next prime is 55216367. The reversal of 55216353 is 35361255.

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 55216353 - 2¹ = 55216351 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55216353.

It is not an unprimeable number, because it can be changed into a prime (55216351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400050 + ... + 400187.

It is an arithmetic number, because the mean of its divisors is an integer number (9602856).

Almost surely, 2^55216353 is an apocalyptic number.

It is an amenable number.

55216353 is a deficient number, since it is larger than the sum of its proper divisors (21606495).

55216353 is a wasteful number, since it uses less digits than its factorization.

55216353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800263.

The product of its digits is 13500, while the sum is 30.

The square root of 55216353 is about 7430.7706868130. The cubic root of 55216353 is about 380.7932483010.

The spelling of 55216353 in words is "fifty-five million, two hundred sixteen thousand, three hundred fifty-three".