54643213548 has 384 divisors, whose sum is σ = 183867801600. Its totient is φ = 13618886400.

The previous prime is 54643213511. The next prime is 54643213561. The reversal of 54643213548 is 84531234645.

54643213548 is a `hidden beast` number, since 5 + 4 + 64 + 32 + 13 + 548 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 32739258 + ... + 32740926.

It is an arithmetic number, because the mean of its divisors is an integer number (478822400).

Almost surely, 2^54643213548 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 54643213548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91933900800).

54643213548 is an abundant number, since it is smaller than the sum of its proper divisors (129224588052).

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

54643213548 is a wasteful number, since it uses less digits than its factorization.

54643213548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858 (or 1850 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 45.

The spelling of 54643213548 in words is "fifty-four billion, six hundred forty-three million, two hundred thirteen thousand, five hundred forty-eight".