65055585 has 48 divisors (see below), whose sum is σ = 123152832. Its totient is φ = 29232000.

The previous prime is 65055559. The next prime is 65055587. The reversal of 65055585 is 58555056.

65055585 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 65055585 - 2¹⁹ = 64531297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65055587) 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, 44110 + ... + 45560.

It is an arithmetic number, because the mean of its divisors is an integer number (2565684).

Almost surely, 2^65055585 is an apocalyptic number.

It is an amenable number.

65055585 is a deficient number, since it is larger than the sum of its proper divisors (58097247).

65055585 is a wasteful number, since it uses less digits than its factorization.

65055585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534 (or 1527 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 39.

The square root of 65055585 is about 8065.7042469954. The cubic root of 65055585 is about 402.1871545075.

It can be divided in two parts, 6505 and 5585, that added together give a triangular number (12090 = T₁₅₅).

The spelling of 65055585 in words is "sixty-five million, fifty-five thousand, five hundred eighty-five".