53443444434436 has 24 divisors (see below), whose sum is σ = 107484022336320. Its totient is φ = 22776376157472.

The previous prime is 53443444434407. The next prime is 53443444434551. The reversal of 53443444434436 is 63443444434435.

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, 5331543715 + ... + 5331553738.

It is an arithmetic number, because the mean of its divisors is an integer number (4478500930680).

Almost surely, 2^{53443444434436} is an apocalyptic number.

It is an amenable number.

53443444434436 is an abundant number, since it is smaller than the sum of its proper divisors (54040577901884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53443444434436 is a wasteful number, since it uses less digits than its factorization.

53443444434436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10663097643 (or 10663097641 counting only the distinct ones).

The product of its digits is 159252480, while the sum is 55.

Subtracting 53443444434436 from its reverse (63443444434435), we obtain a palindrome (9999999999999).

The spelling of 53443444434436 in words is "fifty-three trillion, four hundred forty-three billion, four hundred forty-four million, four hundred thirty-four thousand, four hundred thirty-six".