55630065 has 16 divisors (see below), whose sum is σ = 89106048. Its totient is φ = 29636736.

The previous prime is 55630063. The next prime is 55630079. The reversal of 55630065 is 56003655.

55630065 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 55630065 - 2¹ = 55630063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55630063) 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 15 ways as a sum of consecutive naturals, for example, 19149 + ... + 21861.

It is an arithmetic number, because the mean of its divisors is an integer number (5569128).

Almost surely, 2^55630065 is an apocalyptic number.

It is an amenable number.

55630065 is a deficient number, since it is larger than the sum of its proper divisors (33475983).

55630065 is a wasteful number, since it uses less digits than its factorization.

55630065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4088.

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

The square root of 55630065 is about 7458.5564957303. The cubic root of 55630065 is about 381.7419220250.

The spelling of 55630065 in words is "fifty-five million, six hundred thirty thousand, sixty-five".