50519042221 has 32 divisors (see below), whose sum is σ = 54980259840. Its totient is φ = 46263498624.

The previous prime is 50519042209. The next prime is 50519042243. The reversal of 50519042221 is 12224091505.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50519042221 is a prime.

It is a super-2 number, since 2×50519042221² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50519042261) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 58538436 + ... + 58539298.

It is an arithmetic number, because the mean of its divisors is an integer number (1718133120).

Almost surely, 2^50519042221 is an apocalyptic number.

It is an amenable number.

50519042221 is a deficient number, since it is larger than the sum of its proper divisors (4461217619).

50519042221 is a wasteful number, since it uses less digits than its factorization.

50519042221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1585.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 50519042221 in words is "fifty billion, five hundred nineteen million, forty-two thousand, two hundred twenty-one".