55043543540456 has 8 divisors (see below), whose sum is σ = 103206644138370. Its totient is φ = 27521771770224.

The previous prime is 55043543540441. The next prime is 55043543540483. The reversal of 55043543540456 is 65404534534055.

It can be written as a sum of positive squares in only one way, i.e., 50767192512100 + 4276351028356 = 7125110^2 + 2067934^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 55043543540398 and 55043543540407.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3440221471271 + ... + 3440221471286.

Almost surely, 2^{55043543540456} is an apocalyptic number.

It is an amenable number.

55043543540456 is a deficient number, since it is larger than the sum of its proper divisors (48163100597914).

55043543540456 is a wasteful number, since it uses less digits than its factorization.

55043543540456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6880442942563 (or 6880442942559 counting only the distinct ones).

The product of its (nonzero) digits is 43200000, while the sum is 53.

The spelling of 55043543540456 in words is "fifty-five trillion, forty-three billion, five hundred forty-three million, five hundred forty thousand, four hundred fifty-six".