548473911065856 has 1944 divisors, whose sum is σ = 1837193575089600. Its totient is φ = 157010110709760.

The previous prime is 548473911065837. The next prime is 548473911065863. The reversal of 548473911065856 is 658560119374845.

548473911065856 is a `hidden beast` number, since 5 + 4 + 8 + 4 + 7 + 39 + 1 + 1 + 0 + 6 + 585 + 6 = 666.

It is a super-2 number, since 2×548473911065856² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 1221545458720 + ... + 1221545459168.

It is an arithmetic number, because the mean of its divisors is an integer number (945058423400).

Almost surely, 2^{548473911065856} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 548473911065856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (918596787544800).

548473911065856 is an abundant number, since it is smaller than the sum of its proper divisors (1288719664023744).

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

548473911065856 is a wasteful number, since it uses less digits than its factorization.

548473911065856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673 (or 608 counting only the distinct ones).

The product of its (nonzero) digits is 870912000, while the sum is 72.

The spelling of 548473911065856 in words is "five hundred forty-eight trillion, four hundred seventy-three billion, nine hundred eleven million, sixty-five thousand, eight hundred fifty-six".