54743321408520 has 128 divisors (see below), whose sum is σ = 164490891575040. Its totient is φ = 14575042437120.

The previous prime is 54743321408459. The next prime is 54743321408563. The reversal of 54743321408520 is 2580412334745.

It is a self number, because there is not a number n which added to its sum of digits gives 54743321408520.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 208907980 + ... + 209169860.

It is an arithmetic number, because the mean of its divisors is an integer number (1285085090430).

Almost surely, 2^{54743321408520} is an apocalyptic number.

It is an amenable number.

54743321408520 is an abundant number, since it is smaller than the sum of its proper divisors (109747570166520).

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

54743321408520 is a wasteful number, since it uses less digits than its factorization.

54743321408520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264655 (or 264651 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 48.

The spelling of 54743321408520 in words is "fifty-four trillion, seven hundred forty-three billion, three hundred twenty-one million, four hundred eight thousand, five hundred twenty".