52421205133 has 16 divisors (see below), whose sum is σ = 57813642432. Its totient is φ = 47134240000.

The previous prime is 52421205131. The next prime is 52421205157. The reversal of 52421205133 is 33150212425.

It is a cyclic number.

It is not a de Polignac number, because 52421205133 - 2¹ = 52421205131 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 (52421205131) 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, 1054485 + ... + 1103077.

It is an arithmetic number, because the mean of its divisors is an integer number (3613352652).

Almost surely, 2^52421205133 is an apocalyptic number.

It is an amenable number.

52421205133 is a deficient number, since it is larger than the sum of its proper divisors (5392437299).

52421205133 is a wasteful number, since it uses less digits than its factorization.

52421205133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49676.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 52421205133 its reverse (33150212425), we get a palindrome (85571417558).

The spelling of 52421205133 in words is "fifty-two billion, four hundred twenty-one million, two hundred five thousand, one hundred thirty-three".