53231343 has 16 divisors (see below), whose sum is σ = 78198912. Its totient is φ = 31940000.

The previous prime is 53231329. The next prime is 53231351. The reversal of 53231343 is 34313235.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 53231343 - 2⁹ = 53230831 is a prime.

It is a super-3 number, since 3×53231343³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53231363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4653 + ... + 11318.

It is an arithmetic number, because the mean of its divisors is an integer number (4887432).

Almost surely, 2^53231343 is an apocalyptic number.

53231343 is a deficient number, since it is larger than the sum of its proper divisors (24967569).

53231343 is a wasteful number, since it uses less digits than its factorization.

53231343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16086.

The product of its digits is 3240, while the sum is 24.

The square root of 53231343 is about 7295.9812910944. The cubic root of 53231343 is about 376.1743169959.

Adding to 53231343 its reverse (34313235), we get a palindrome (87544578).

It can be divided in two parts, 5323 and 1343, that added together give a palindrome (6666).

The spelling of 53231343 in words is "fifty-three million, two hundred thirty-one thousand, three hundred forty-three".