55305361 has 4 divisors (see below), whose sum is σ = 56242800. Its totient is φ = 54367924.

The previous prime is 55305359. The next prime is 55305391. The reversal of 55305361 is 16350355.

It is a happy number.

55305361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55305361 - 2¹ = 55305359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55305391) 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 3 ways as a sum of consecutive naturals, for example, 468631 + ... + 468748.

It is an arithmetic number, because the mean of its divisors is an integer number (14060700).

Almost surely, 2^55305361 is an apocalyptic number.

It is an amenable number.

55305361 is a deficient number, since it is larger than the sum of its proper divisors (937439).

55305361 is an equidigital number, since it uses as much as digits as its factorization.

55305361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937438.

The product of its (nonzero) digits is 6750, while the sum is 28.

The square root of 55305361 is about 7436.7574251148. The cubic root of 55305361 is about 380.9977496118.

The spelling of 55305361 in words is "fifty-five million, three hundred five thousand, three hundred sixty-one".