53344231 has 2 divisors, whose sum is σ = 53344232. Its totient is φ = 53344230.

The previous prime is 53344219. The next prime is 53344237. The reversal of 53344231 is 13244335.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53344231 - 2⁷ = 53344103 is a prime.

It is a super-2 number, since 2×53344231² = 5691213961962722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53344196 and 53344205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53344237) 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 as a sum of consecutive naturals, namely, 26672115 + 26672116.

It is an arithmetic number, because the mean of its divisors is an integer number (26672116).

Almost surely, 2^53344231 is an apocalyptic number.

53344231 is a deficient number, since it is larger than the sum of its proper divisors (1).

53344231 is an equidigital number, since it uses as much as digits as its factorization.

53344231 is an odious number, because the sum of its binary digits is odd.

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

The square root of 53344231 is about 7303.7135075248. The cubic root of 53344231 is about 376.4400475488.

Adding to 53344231 its reverse (13244335), we get a palindrome (66588566).

The spelling of 53344231 in words is "fifty-three million, three hundred forty-four thousand, two hundred thirty-one".