54644477301768 has 64 divisors (see below), whose sum is σ = 136841051880000. Its totient is φ = 18184189001472.

The previous prime is 54644477301709. The next prime is 54644477301787. The reversal of 54644477301768 is 86710377444645.

It is a junction number, because it is equal to n+sod(n) for n = 54644477301699 and 54644477301708.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79418883 + ... + 80103981.

It is an arithmetic number, because the mean of its divisors is an integer number (2138141435625).

Almost surely, 2^{54644477301768} is an apocalyptic number.

It is an amenable number.

54644477301768 is an abundant number, since it is smaller than the sum of its proper divisors (82196574578232).

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

54644477301768 is a wasteful number, since it uses less digits than its factorization.

54644477301768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690694 (or 690690 counting only the distinct ones).

The product of its (nonzero) digits is 379330560, while the sum is 66.

The spelling of 54644477301768 in words is "fifty-four trillion, six hundred forty-four billion, four hundred seventy-seven million, three hundred one thousand, seven hundred sixty-eight".