65555242 has 8 divisors (see below), whose sum is σ = 98454816. Its totient is φ = 32736972.

The previous prime is 65555209. The next prime is 65555257. The reversal of 65555242 is 24255556.

65555242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 65555198 and 65555207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18268 + ... + 21559.

It is an arithmetic number, because the mean of its divisors is an integer number (12306852).

Almost surely, 2^65555242 is an apocalyptic number.

65555242 is a deficient number, since it is larger than the sum of its proper divisors (32899574).

65555242 is a wasteful number, since it uses less digits than its factorization.

65555242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40652.

The product of its digits is 60000, while the sum is 34.

The square root of 65555242 is about 8096.6191709874. The cubic root of 65555242 is about 403.2141907654.

The spelling of 65555242 in words is "sixty-five million, five hundred fifty-five thousand, two hundred forty-two".