50552243221 has 8 divisors (see below), whose sum is σ = 51814218240. Its totient is φ = 49298034768.

The previous prime is 50552243219. The next prime is 50552243243. The reversal of 50552243221 is 12234225505.

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

It is a cyclic number.

It is not a de Polignac number, because 50552243221 - 2¹ = 50552243219 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 (50552243251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1928461 + ... + 1954498.

It is an arithmetic number, because the mean of its divisors is an integer number (6476777280).

Almost surely, 2^50552243221 is an apocalyptic number.

It is an amenable number.

50552243221 is a deficient number, since it is larger than the sum of its proper divisors (1261975019).

50552243221 is a wasteful number, since it uses less digits than its factorization.

50552243221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3883283.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 50552243221 its reverse (12234225505), we get a palindrome (62786468726).

The spelling of 50552243221 in words is "fifty billion, five hundred fifty-two million, two hundred forty-three thousand, two hundred twenty-one".