54330651816 has 128 divisors (see below), whose sum is σ = 156651356160. Its totient is φ = 15381273600.

The previous prime is 54330651797. The next prime is 54330651827. The reversal of 54330651816 is 61815603345.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29037361 + ... + 29039231.

It is an arithmetic number, because the mean of its divisors is an integer number (1223838720).

Almost surely, 2^54330651816 is an apocalyptic number.

54330651816 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54330651816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78325678080).

54330651816 is an abundant number, since it is smaller than the sum of its proper divisors (102320704344).

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

54330651816 is a wasteful number, since it uses less digits than its factorization.

54330651816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3375 (or 3371 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 54330651816 in words is "fifty-four billion, three hundred thirty million, six hundred fifty-one thousand, eight hundred sixteen".