65755155 has 8 divisors (see below), whose sum is σ = 105208272. Its totient is φ = 35069408.

The previous prime is 65755147. The next prime is 65755177. The reversal of 65755155 is 55155756.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65755155 - 2³ = 65755147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2191824 + ... + 2191853.

It is an arithmetic number, because the mean of its divisors is an integer number (13151034).

Almost surely, 2^65755155 is an apocalyptic number.

65755155 is a deficient number, since it is larger than the sum of its proper divisors (39453117).

65755155 is a wasteful number, since it uses less digits than its factorization.

65755155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4383685.

The product of its digits is 131250, while the sum is 39.

The square root of 65755155 is about 8108.9552348006. The cubic root of 65755155 is about 403.6236467493.

The spelling of 65755155 in words is "sixty-five million, seven hundred fifty-five thousand, one hundred fifty-five".