53351443 has 8 divisors (see below), whose sum is σ = 54565488. Its totient is φ = 52145184.

The previous prime is 53351437. The next prime is 53351461. The reversal of 53351443 is 34415335.

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 53351443 - 2⁹ = 53350931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53351483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13221 + ... + 16777.

It is an arithmetic number, because the mean of its divisors is an integer number (6820686).

Almost surely, 2^53351443 is an apocalyptic number.

53351443 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

53351443 is a deficient number, since it is larger than the sum of its proper divisors (1214045).

53351443 is a wasteful number, since it uses less digits than its factorization.

53351443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3893.

The product of its digits is 10800, while the sum is 28.

The square root of 53351443 is about 7304.2072122853. The cubic root of 53351443 is about 376.4570113531.

Adding to 53351443 its reverse (34415335), we get a palindrome (87766778).

The spelling of 53351443 in words is "fifty-three million, three hundred fifty-one thousand, four hundred forty-three".