53800043 has 4 divisors (see below), whose sum is σ = 58690968. Its totient is φ = 48909120.

The previous prime is 53800031. The next prime is 53800049. The reversal of 53800043 is 34000835.

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 53800043 - 2¹⁰ = 53799019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53799991 and 53800018.

It is not an unprimeable number, because it can be changed into a prime (53800049) 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, 2445446 + ... + 2445467.

It is an arithmetic number, because the mean of its divisors is an integer number (14672742).

Almost surely, 2^53800043 is an apocalyptic number.

53800043 is a deficient number, since it is larger than the sum of its proper divisors (4890925).

53800043 is a wasteful number, since it uses less digits than its factorization.

53800043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4890924.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 53800043 is about 7334.8512595689. The cubic root of 53800043 is about 377.5092008342.

Adding to 53800043 its reverse (34000835), we get a palindrome (87800878).

The spelling of 53800043 in words is "fifty-three million, eight hundred thousand, forty-three".