56853543444 has 24 divisors (see below), whose sum is σ = 132709187520. Its totient is φ = 18943906944.

The previous prime is 56853543413. The next prime is 56853543449. The reversal of 56853543444 is 44434535865.

56853543444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×56853543444² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56853543449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 876664 + ... + 939279.

It is an arithmetic number, because the mean of its divisors is an integer number (5529549480).

Almost surely, 2^56853543444 is an apocalyptic number.

It is an amenable number.

56853543444 is an abundant number, since it is smaller than the sum of its proper divisors (75855644076).

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

56853543444 is a wasteful number, since it uses less digits than its factorization.

56853543444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818559 (or 1818557 counting only the distinct ones).

The product of its digits is 13824000, while the sum is 51.

The spelling of 56853543444 in words is "fifty-six billion, eight hundred fifty-three million, five hundred forty-three thousand, four hundred forty-four".