55310065 has 16 divisors (see below), whose sum is σ = 67651200. Its totient is φ = 43402240.

The previous prime is 55310039. The next prime is 55310069. The reversal of 55310065 is 56001355.

It is not a de Polignac number, because 55310065 - 2⁷ = 55309937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55310069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122961 + ... + 123409.

It is an arithmetic number, because the mean of its divisors is an integer number (4228200).

Almost surely, 2^55310065 is an apocalyptic number.

It is an amenable number.

55310065 is a deficient number, since it is larger than the sum of its proper divisors (12341135).

55310065 is a wasteful number, since it uses less digits than its factorization.

55310065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 55310065 is about 7437.0736852609. The cubic root of 55310065 is about 381.0085512326.

The spelling of 55310065 in words is "fifty-five million, three hundred ten thousand, sixty-five".