54767399616 has 140 divisors (see below), whose sum is σ = 162593309560. Its totient is φ = 18228188160.

The previous prime is 54767399611. The next prime is 54767399653. The reversal of 54767399616 is 61699376745.

54767399616 is a `hidden beast` number, since 5 + 4 + 7 + 6 + 7 + 3 + 9 + 9 + 616 = 666.

It is not an unprimeable number, because it can be changed into a prime (54767399611) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3574500 + ... + 3589788.

Almost surely, 2^54767399616 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 54767399616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81296654780).

54767399616 is an abundant number, since it is smaller than the sum of its proper divisors (107825909944).

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

54767399616 is a wasteful number, since it uses less digits than its factorization.

54767399616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16004 (or 15985 counting only the distinct ones).

The product of its digits is 51438240, while the sum is 63.

The spelling of 54767399616 in words is "fifty-four billion, seven hundred sixty-seven million, three hundred ninety-nine thousand, six hundred sixteen".