50531114221 has 6 divisors (see below), whose sum is σ = 58781092110. Its totient is φ = 43312383576.

The previous prime is 50531114219. The next prime is 50531114239. The reversal of 50531114221 is 12241113505.

It can be written as a sum of positive squares in only one way, i.e., 41336989225 + 9194124996 = 203315^2 + 95886^2 .

It is not a de Polignac number, because 50531114221 - 2¹ = 50531114219 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 (50531114201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 515623566 + ... + 515623663.

It is an arithmetic number, because the mean of its divisors is an integer number (9796848685).

Almost surely, 2^50531114221 is an apocalyptic number.

It is an amenable number.

50531114221 is a deficient number, since it is larger than the sum of its proper divisors (8249977889).

50531114221 is a wasteful number, since it uses less digits than its factorization.

50531114221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031247243 (or 1031247236 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 50531114221 its reverse (12241113505), we get a palindrome (62772227726).

The spelling of 50531114221 in words is "fifty billion, five hundred thirty-one million, one hundred fourteen thousand, two hundred twenty-one".