52194220232 has 108 divisors (see below), whose sum is σ = 125251500465. Its totient is φ = 20316024960.

The previous prime is 52194220231. The next prime is 52194220297. The reversal of 52194220232 is 23202249125.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 41260171876 + 10934048356 = 203126^2 + 104566^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=161546.

It is not an unprimeable number, because it can be changed into a prime (52194220231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 49755644 + ... + 49756692.

Almost surely, 2^52194220232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52194220232

52194220232 is an abundant number, since it is smaller than the sum of its proper divisors (73057280233).

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

52194220232 is a wasteful number, since it uses less digits than its factorization.

52194220232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140 (or 1069 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Multiplying 52194220232 by its sum of digits (32), we get a square (1670215047424 = 1292368²).

Adding to 52194220232 its reverse (23202249125), we get a palindrome (75396469357).

The spelling of 52194220232 in words is "fifty-two billion, one hundred ninety-four million, two hundred twenty thousand, two hundred thirty-two".