53433343 has 4 divisors (see below), whose sum is σ = 53962488. Its totient is φ = 52904200.

The previous prime is 53433319. The next prime is 53433349. The reversal of 53433343 is 34333435.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53433343 - 2⁵ = 53433311 is a prime.

It is a super-4 number, since 4×53433343⁴ (a number of 32 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53433349) 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 3 ways as a sum of consecutive naturals, for example, 264421 + ... + 264622.

It is an arithmetic number, because the mean of its divisors is an integer number (13490622).

Almost surely, 2^53433343 is an apocalyptic number.

53433343 is a deficient number, since it is larger than the sum of its proper divisors (529145).

53433343 is a wasteful number, since it uses less digits than its factorization.

53433343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529144.

The product of its digits is 19440, while the sum is 28.

The square root of 53433343 is about 7309.8114202762. The cubic root of 53433343 is about 376.6495463890.

Adding to 53433343 its reverse (34333435), we get a palindrome (87766778).

The spelling of 53433343 in words is "fifty-three million, four hundred thirty-three thousand, three hundred forty-three".