65055939 has 16 divisors (see below), whose sum is σ = 93945600. Its totient is φ = 39806496.

The previous prime is 65055931. The next prime is 65055941. The reversal of 65055939 is 93955056.

65055939 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 65055939 - 2³ = 65055931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65055939.

It is not an unprimeable number, because it can be changed into a prime (65055931) 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, 2322 + ... + 11640.

It is an arithmetic number, because the mean of its divisors is an integer number (5871600).

Almost surely, 2^65055939 is an apocalyptic number.

65055939 is a deficient number, since it is larger than the sum of its proper divisors (28889661).

65055939 is a wasteful number, since it uses less digits than its factorization.

65055939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9514.

The product of its (nonzero) digits is 182250, while the sum is 42.

The square root of 65055939 is about 8065.7261917325. The cubic root of 65055939 is about 402.1878840068.

The spelling of 65055939 in words is "sixty-five million, fifty-five thousand, nine hundred thirty-nine".