53118443 has 4 divisors (see below), whose sum is σ = 60706800. Its totient is φ = 45530088.

The previous prime is 53118397. The next prime is 53118451. The reversal of 53118443 is 34481135.

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 53118443 - 2⁸ = 53118187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53118463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3794168 + ... + 3794181.

It is an arithmetic number, because the mean of its divisors is an integer number (15176700).

Almost surely, 2^53118443 is an apocalyptic number.

53118443 is a deficient number, since it is larger than the sum of its proper divisors (7588357).

53118443 is an equidigital number, since it uses as much as digits as its factorization.

53118443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7588356.

The product of its digits is 5760, while the sum is 29.

The square root of 53118443 is about 7288.2400481872. The cubic root of 53118443 is about 375.9081821789.

Adding to 53118443 its reverse (34481135), we get a palindrome (87599578).

The spelling of 53118443 in words is "fifty-three million, one hundred eighteen thousand, four hundred forty-three".