65755965 has 32 divisors (see below), whose sum is σ = 119771136. Its totient is φ = 30493760.

The previous prime is 65755957. The next prime is 65755999. The reversal of 65755965 is 56955756.

It is a happy number.

It is not a de Polignac number, because 65755965 - 2³ = 65755957 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4869 + ... + 12458.

It is an arithmetic number, because the mean of its divisors is an integer number (3742848).

Almost surely, 2^65755965 is an apocalyptic number.

It is an amenable number.

65755965 is a deficient number, since it is larger than the sum of its proper divisors (54015171).

65755965 is a wasteful number, since it uses less digits than its factorization.

65755965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17369.

The product of its digits is 1417500, while the sum is 48.

The square root of 65755965 is about 8109.0051794286. The cubic root of 65755965 is about 403.6253040784.

The spelling of 65755965 in words is "sixty-five million, seven hundred fifty-five thousand, nine hundred sixty-five".