65135555 has 8 divisors (see below), whose sum is σ = 78251712. Its totient is φ = 52049088.

The previous prime is 65135549. The next prime is 65135599. The reversal of 65135555 is 55553156.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65135555 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

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, 2267 + ... + 11636.

It is an arithmetic number, because the mean of its divisors is an integer number (9781464).

Almost surely, 2^65135555 is an apocalyptic number.

65135555 is a deficient number, since it is larger than the sum of its proper divisors (13116157).

65135555 is a wasteful number, since it uses less digits than its factorization.

65135555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14845.

The product of its digits is 56250, while the sum is 35.

The square root of 65135555 is about 8070.6601340906. The cubic root of 65135555 is about 402.3518840841.

The spelling of 65135555 in words is "sixty-five million, one hundred thirty-five thousand, five hundred fifty-five".