52211051818422 has 32 divisors (see below), whose sum is σ = 122564940179712. Its totient is φ = 14514269230944.

The previous prime is 52211051818411. The next prime is 52211051818427. The reversal of 52211051818422 is 22481815011225.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52211051818427) 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, 16798921168 + ... + 16798924275.

It is an arithmetic number, because the mean of its divisors is an integer number (3830154380616).

Almost surely, 2^{52211051818422} is an apocalyptic number.

52211051818422 is an abundant number, since it is smaller than the sum of its proper divisors (70353888361290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52211051818422 is a wasteful number, since it uses less digits than its factorization.

52211051818422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33597845492.

The product of its (nonzero) digits is 102400, while the sum is 42.

Adding to 52211051818422 its reverse (22481815011225), we get a palindrome (74692866829647).

The spelling of 52211051818422 in words is "fifty-two trillion, two hundred eleven billion, fifty-one million, eight hundred eighteen thousand, four hundred twenty-two".