53032421321 has 8 divisors (see below), whose sum is σ = 58449980064. Its totient is φ = 47714267520.

The previous prime is 53032421317. The next prime is 53032421333. The reversal of 53032421321 is 12312423035.

It is a happy number.

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 53032421321 - 2² = 53032421317 is a prime.

It is a super-2 number, since 2×53032421321² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53032429321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24850115 + ... + 24852248.

It is an arithmetic number, because the mean of its divisors is an integer number (7306247508).

Almost surely, 2^53032421321 is an apocalyptic number.

It is an amenable number.

53032421321 is a deficient number, since it is larger than the sum of its proper divisors (5417558743).

53032421321 is a wasteful number, since it uses less digits than its factorization.

53032421321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49702471.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 53032421321 its reverse (12312423035), we get a palindrome (65344844356).

The spelling of 53032421321 in words is "fifty-three billion, thirty-two million, four hundred twenty-one thousand, three hundred twenty-one".