53230431 has 8 divisors (see below), whose sum is σ = 72624640. Its totient is φ = 34661592.

The previous prime is 53230403. The next prime is 53230439. The reversal of 53230431 is 13403235.

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

It is not a de Polignac number, because 53230431 - 2⁹ = 53229919 is a prime.

It is a super-2 number, since 2×53230431² = 5666957568891522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53230398 and 53230407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53230439) 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, 206191 + ... + 206448.

It is an arithmetic number, because the mean of its divisors is an integer number (9078080).

Almost surely, 2^53230431 is an apocalyptic number.

53230431 is a deficient number, since it is larger than the sum of its proper divisors (19394209).

53230431 is a wasteful number, since it uses less digits than its factorization.

53230431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412685.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 53230431 is about 7295.9187906665. The cubic root of 53230431 is about 376.1721686818.

Adding to 53230431 its reverse (13403235), we get a palindrome (66633666).

The spelling of 53230431 in words is "fifty-three million, two hundred thirty thousand, four hundred thirty-one".