54847578156 has 96 divisors (see below), whose sum is σ = 149514086400. Its totient is φ = 15322742784.

The previous prime is 54847578133. The next prime is 54847578173. The reversal of 54847578156 is 65187574845.

It is a self number, because there is not a number n which added to its sum of digits gives 54847578156.

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, 4546020 + ... + 4558068.

It is an arithmetic number, because the mean of its divisors is an integer number (1557438400).

Almost surely, 2^54847578156 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 54847578156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74757043200).

54847578156 is an abundant number, since it is smaller than the sum of its proper divisors (94666508244).

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

54847578156 is a wasteful number, since it uses less digits than its factorization.

54847578156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13263 (or 13261 counting only the distinct ones).

The product of its digits is 37632000, while the sum is 60.

The spelling of 54847578156 in words is "fifty-four billion, eight hundred forty-seven million, five hundred seventy-eight thousand, one hundred fifty-six".