53005430043 has 12 divisors (see below), whose sum is σ = 76573367520. Its totient is φ = 35332352496.

The previous prime is 53005430039. The next prime is 53005430053. The reversal of 53005430043 is 34003450035.

It is a happy number.

53005430043 is a `hidden beast` number, since 5 + 300 + 54 + 300 + 4 + 3 = 666.

It is not a de Polignac number, because 53005430043 - 2² = 53005430039 is a prime.

It is a super-2 number, since 2×53005430043² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53005429989 and 53005430016.

It is not an unprimeable number, because it can be changed into a prime (53005430033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 309696 + ... + 449357.

It is an arithmetic number, because the mean of its divisors is an integer number (6381113960).

Almost surely, 2^53005430043 is an apocalyptic number.

53005430043 is a deficient number, since it is larger than the sum of its proper divisors (23567937477).

53005430043 is a wasteful number, since it uses less digits than its factorization.

53005430043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766818 (or 766815 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

Adding to 53005430043 its reverse (34003450035), we get a palindrome (87008880078).

The spelling of 53005430043 in words is "fifty-three billion, five million, four hundred thirty thousand, forty-three".