50515014221 has 16 divisors (see below), whose sum is σ = 60799449600. Its totient is φ = 40999793328.

The previous prime is 50515014217. The next prime is 50515014229. The reversal of 50515014221 is 12241051505.

It is a cyclic number.

It is not a de Polignac number, because 50515014221 - 2² = 50515014217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50515014229) 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, 185870 + ... + 368208.

It is an arithmetic number, because the mean of its divisors is an integer number (3799965600).

Almost surely, 2^50515014221 is an apocalyptic number.

It is an amenable number.

50515014221 is a deficient number, since it is larger than the sum of its proper divisors (10284435379).

50515014221 is a wasteful number, since it uses less digits than its factorization.

50515014221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184448.

The product of its (nonzero) digits is 2000, while the sum is 26.

Adding to 50515014221 its reverse (12241051505), we get a palindrome (62756065726).

The spelling of 50515014221 in words is "fifty billion, five hundred fifteen million, fourteen thousand, two hundred twenty-one".