53240045443 has 16 divisors (see below), whose sum is σ = 61539742656. Its totient is φ = 45620167680.

The previous prime is 53240045429. The next prime is 53240045449. The reversal of 53240045443 is 34454004235.

It is a cyclic number.

It is not a de Polignac number, because 53240045443 - 2²⁵ = 53206491011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53240045399 and 53240045408.

It is not an unprimeable number, because it can be changed into a prime (53240045449) 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 15 ways as a sum of consecutive naturals, for example, 1633903 + ... + 1666168.

It is an arithmetic number, because the mean of its divisors is an integer number (3846233916).

Almost surely, 2^53240045443 is an apocalyptic number.

53240045443 is a deficient number, since it is larger than the sum of its proper divisors (8299697213).

53240045443 is a wasteful number, since it uses less digits than its factorization.

53240045443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3300174.

The product of its (nonzero) digits is 115200, while the sum is 34.

Adding to 53240045443 its reverse (34454004235), we get a palindrome (87694049678).

The spelling of 53240045443 in words is "fifty-three billion, two hundred forty million, forty-five thousand, four hundred forty-three".