53032230421 has 8 divisors (see below), whose sum is σ = 53086903704. Its totient is φ = 52977584640.

The previous prime is 53032230401. The next prime is 53032230431. The reversal of 53032230421 is 12403223035.

It can be written as a sum of positive squares in 4 ways, for example, as 2849958225 + 50182272196 = 53385^2 + 224014^2 .

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 53032230421 - 2²⁹ = 52495359509 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 (53032230401) 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, 7443741 + ... + 7450861.

It is an arithmetic number, because the mean of its divisors is an integer number (6635862963).

Almost surely, 2^53032230421 is an apocalyptic number.

It is an amenable number.

53032230421 is a deficient number, since it is larger than the sum of its proper divisors (54673283).

53032230421 is a wasteful number, since it uses less digits than its factorization.

53032230421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13751.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 53032230421 its reverse (12403223035), we get a palindrome (65435453456).

The spelling of 53032230421 in words is "fifty-three billion, thirty-two million, two hundred thirty thousand, four hundred twenty-one".