65538255230 has 32 divisors (see below), whose sum is σ = 138109890240. Its totient is φ = 21922202880.

The previous prime is 65538255191. The next prime is 65538255319. The reversal of 65538255230 is 3255283556.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11414945 + ... + 11420684.

It is an arithmetic number, because the mean of its divisors is an integer number (4315934070).

Almost surely, 2^65538255230 is an apocalyptic number.

65538255230 is an abundant number, since it is smaller than the sum of its proper divisors (72571635010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65538255230 is a wasteful number, since it uses less digits than its factorization.

65538255230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22835684.

The product of its (nonzero) digits is 1080000, while the sum is 44.

The spelling of 65538255230 in words is "sixty-five billion, five hundred thirty-eight million, two hundred fifty-five thousand, two hundred thirty".