52130034221 has 8 divisors (see below), whose sum is σ = 54470785920. Its totient is φ = 49795468272.

The previous prime is 52130034199. The next prime is 52130034239. The reversal of 52130034221 is 12243003125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52130034221 - 2⁶ = 52130034157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52130034241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1529201 + ... + 1562918.

It is an arithmetic number, because the mean of its divisors is an integer number (6808848240).

Almost surely, 2^52130034221 is an apocalyptic number.

It is an amenable number.

52130034221 is a deficient number, since it is larger than the sum of its proper divisors (2340751699).

52130034221 is a wasteful number, since it uses less digits than its factorization.

52130034221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3092875.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 52130034221 its reverse (12243003125), we get a palindrome (64373037346).

The spelling of 52130034221 in words is "fifty-two billion, one hundred thirty million, thirty-four thousand, two hundred twenty-one".