54439917056 has 40 divisors (see below), whose sum is σ = 124312586640. Its totient is φ = 23331391488.

The previous prime is 54439917031. The next prime is 54439917061. The reversal of 54439917056 is 65071993445.

It is a junction number, because it is equal to n+sod(n) for n = 54439916989 and 54439917007.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 7591271 + ... + 7598438.

It is an arithmetic number, because the mean of its divisors is an integer number (3107814666).

Almost surely, 2^54439917056 is an apocalyptic number.

54439917056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

54439917056 is an abundant number, since it is smaller than the sum of its proper divisors (69872669584).

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

54439917056 is an equidigital number, since it uses as much as digits as its factorization.

54439917056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15189734 (or 15189718 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 53.

The spelling of 54439917056 in words is "fifty-four billion, four hundred thirty-nine million, nine hundred seventeen thousand, fifty-six".