65550099 has 8 divisors (see below), whose sum is σ = 87536592. Its totient is φ = 43631840.

The previous prime is 65550097. The next prime is 65550119. The reversal of 65550099 is 99005556.

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 65550099 - 2¹ = 65550097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65550091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14772 + ... + 18689.

It is an arithmetic number, because the mean of its divisors is an integer number (10942074).

Almost surely, 2^65550099 is an apocalyptic number.

65550099 is a deficient number, since it is larger than the sum of its proper divisors (21986493).

65550099 is a wasteful number, since it uses less digits than its factorization.

65550099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34117.

The product of its (nonzero) digits is 60750, while the sum is 39.

The square root of 65550099 is about 8096.3015630595. The cubic root of 65550099 is about 403.2036460464.

The spelling of 65550099 in words is "sixty-five million, five hundred fifty thousand, ninety-nine".