54443143446 has 16 divisors (see below), whose sum is σ = 112640986800. Its totient is φ = 17521931168.

The previous prime is 54443143411. The next prime is 54443143453. The reversal of 54443143446 is 64434134445.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 54443143398 and 54443143407.

It is a congruent number.

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, 156445641 + ... + 156445988.

It is an arithmetic number, because the mean of its divisors is an integer number (7040061675).

Almost surely, 2^54443143446 is an apocalyptic number.

54443143446 is an abundant number, since it is smaller than the sum of its proper divisors (58197843354).

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

54443143446 is a wasteful number, since it uses less digits than its factorization.

54443143446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312891663.

The product of its digits is 1105920, while the sum is 42.

Subtracting 54443143446 from its reverse (64434134445), we obtain a palindrome (9990990999).

The spelling of 54443143446 in words is "fifty-four billion, four hundred forty-three million, one hundred forty-three thousand, four hundred forty-six".