54819616878 has 48 divisors (see below), whose sum is σ = 132038664576. Its totient is φ = 16323456960.

The previous prime is 54819616877. The next prime is 54819616883. The reversal of 54819616878 is 87861691845.

54819616878 is a `hidden beast` number, since 5 + 4 + 8 + 1 + 9 + 616 + 8 + 7 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54819616871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3771325 + ... + 3785832.

It is an arithmetic number, because the mean of its divisors is an integer number (2750805512).

Almost surely, 2^54819616878 is an apocalyptic number.

54819616878 is an abundant number, since it is smaller than the sum of its proper divisors (77219047698).

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

54819616878 is a wasteful number, since it uses less digits than its factorization.

54819616878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7557209 (or 7557206 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 63.

The spelling of 54819616878 in words is "fifty-four billion, eight hundred nineteen million, six hundred sixteen thousand, eight hundred seventy-eight".