54813399456 has 96 divisors (see below), whose sum is σ = 148950240768. Its totient is φ = 17631313920.

The previous prime is 54813399439. The next prime is 54813399457. The reversal of 54813399456 is 65499331845.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 54813399396 and 54813399405.

It is not an unprimeable number, because it can be changed into a prime (54813399457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1024440 + ... + 1076616.

It is an arithmetic number, because the mean of its divisors is an integer number (1551565008).

Almost surely, 2^54813399456 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 54813399456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74475120384).

54813399456 is an abundant number, since it is smaller than the sum of its proper divisors (94136841312).

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

54813399456 is a wasteful number, since it uses less digits than its factorization.

54813399456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52574 (or 52566 counting only the distinct ones).

The product of its digits is 13996800, while the sum is 57.

The spelling of 54813399456 in words is "fifty-four billion, eight hundred thirteen million, three hundred ninety-nine thousand, four hundred fifty-six".