65505607 has 6 divisors (see below), whose sum is σ = 69585848. Its totient is φ = 61652064.

The previous prime is 65505589. The next prime is 65505647. The reversal of 65505607 is 70650556.

It is not a de Polignac number, because 65505607 - 2¹⁵ = 65472839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65505647) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 113043 + ... + 113620.

Almost surely, 2^65505607 is an apocalyptic number.

65505607 is a deficient number, since it is larger than the sum of its proper divisors (4080241).

65505607 is a wasteful number, since it uses less digits than its factorization.

65505607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226697 (or 226680 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 34.

The square root of 65505607 is about 8093.5534223232. The cubic root of 65505607 is about 403.1124008401.

The spelling of 65505607 in words is "sixty-five million, five hundred five thousand, six hundred seven".