54919778992 has 40 divisors (see below), whose sum is σ = 117030384576. Its totient is φ = 24808275456.

The previous prime is 54919778957. The next prime is 54919779001. The reversal of 54919778992 is 29987791945.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2799133 + ... + 2818684.

Almost surely, 2^54919778992 is an apocalyptic number.

54919778992 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

54919778992 is an abundant number, since it is smaller than the sum of its proper divisors (62110605584).

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

54919778992 is a wasteful number, since it uses less digits than its factorization.

54919778992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5617885 (or 5617879 counting only the distinct ones).

The product of its digits is 102876480, while the sum is 70.

The spelling of 54919778992 in words is "fifty-four billion, nine hundred nineteen million, seven hundred seventy-eight thousand, nine hundred ninety-two".