550252534221 has 96 divisors (see below), whose sum is σ = 898333642752. Its totient is φ = 322025932800.

The previous prime is 550252534213. The next prime is 550252534231. The reversal of 550252534221 is 122435252055.

550252534221 is a `hidden beast` number, since 5 + 50 + 2 + 52 + 534 + 2 + 21 = 666.

It is not a de Polignac number, because 550252534221 - 2³ = 550252534213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550252534231) 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 95 ways as a sum of consecutive naturals, for example, 506211540 + ... + 506212626.

It is an arithmetic number, because the mean of its divisors is an integer number (9357642112).

Almost surely, 2^550252534221 is an apocalyptic number.

It is an amenable number.

550252534221 is a deficient number, since it is larger than the sum of its proper divisors (348081108531).

550252534221 is a wasteful number, since it uses less digits than its factorization.

550252534221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043 (or 2040 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

Adding to 550252534221 its reverse (122435252055), we get a palindrome (672687786276).

The spelling of 550252534221 in words is "five hundred fifty billion, two hundred fifty-two million, five hundred thirty-four thousand, two hundred twenty-one".