50021062217618 has 6 divisors (see below), whose sum is σ = 75031608329589. Its totient is φ = 25010526107756.

The previous prime is 50021062217597. The next prime is 50021062217647. The reversal of 50021062217618 is 81671226012005.

It can be written as a sum of positive squares in 2 ways, for example, as 38674182386449 + 11346879831169 = 6218857^2 + 3368513^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=5001053.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 7501580 + ... + 12502632.

Almost surely, 2^{50021062217618} is an apocalyptic number.

50021062217618 is a deficient number, since it is larger than the sum of its proper divisors (25010546111971).

50021062217618 is an frugal number, since it uses more digits than its factorization.

50021062217618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10002108 (or 5001055 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 50021062217618 in words is "fifty trillion, twenty-one billion, sixty-two million, two hundred seventeen thousand, six hundred eighteen".