55304305 has 48 divisors (see below), whose sum is σ = 82817280. Its totient is φ = 34683264.

The previous prime is 55304303. The next prime is 55304323. The reversal of 55304305 is 50340355.

55304305 = 21² + 22² + ... + 549².

It is a happy number.

55304305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55304305 - 2¹ = 55304303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55304305.

It is not an unprimeable number, because it can be changed into a prime (55304303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 536884 + ... + 536986.

It is an arithmetic number, because the mean of its divisors is an integer number (1725360).

Almost surely, 2^55304305 is an apocalyptic number.

It is an amenable number.

55304305 is a deficient number, since it is larger than the sum of its proper divisors (27512975).

55304305 is a wasteful number, since it uses less digits than its factorization.

55304305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 55304305 is about 7436.6864260906. The cubic root of 55304305 is about 380.9953246740.

The spelling of 55304305 in words is "fifty-five million, three hundred four thousand, three hundred five".