65042655 has 16 divisors (see below), whose sum is σ = 104509440. Its totient is φ = 34542368.

The previous prime is 65042651. The next prime is 65042657. The reversal of 65042655 is 55624056.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 65042655 - 2² = 65042651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65042651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5487 + ... + 12656.

It is an arithmetic number, because the mean of its divisors is an integer number (6531840).

Almost surely, 2^65042655 is an apocalyptic number.

65042655 is a deficient number, since it is larger than the sum of its proper divisors (39466785).

65042655 is a wasteful number, since it uses less digits than its factorization.

65042655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18390.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 65042655 is about 8064.9026652527. The cubic root of 65042655 is about 402.1605074258.

The spelling of 65042655 in words is "sixty-five million, forty-two thousand, six hundred fifty-five".