53043443554 has 16 divisors (see below), whose sum is σ = 84573286488. Its totient is φ = 24864489472.

The previous prime is 53043443549. The next prime is 53043443581. The reversal of 53043443554 is 45534434035.

53043443554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 50522901529 + 2520542025 = 224773^2 + 50205^2 .

It is a super-3 number, since 3×53043443554³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3026479 + ... + 3043954.

Almost surely, 2^53043443554 is an apocalyptic number.

53043443554 is a deficient number, since it is larger than the sum of its proper divisors (31529842934).

53043443554 is a wasteful number, since it uses less digits than its factorization.

53043443554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6070709.

The product of its (nonzero) digits is 864000, while the sum is 40.

Adding to 53043443554 its reverse (45534434035), we get a palindrome (98577877589).

The spelling of 53043443554 in words is "fifty-three billion, forty-three million, four hundred forty-three thousand, five hundred fifty-four".