52210421604 has 36 divisors (see below), whose sum is σ = 143974194000. Its totient is φ = 15821339760.

The previous prime is 52210421603. The next prime is 52210421617. The reversal of 52210421604 is 40612401225.

52210421604 is a `hidden beast` number, since 5 + 2 + 2 + 10 + 42 + 1 + 604 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (52210421603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65921854 + ... + 65922645.

Almost surely, 2^52210421604 is an apocalyptic number.

It is an amenable number.

52210421604 is an abundant number, since it is smaller than the sum of its proper divisors (91763772396).

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

52210421604 is a wasteful number, since it uses less digits than its factorization.

52210421604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131844520 (or 131844515 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 52210421604 its reverse (40612401225), we get a palindrome (92822822829).

The spelling of 52210421604 in words is "fifty-two billion, two hundred ten million, four hundred twenty-one thousand, six hundred four".