54478559312 has 20 divisors (see below), whose sum is σ = 111761162676. Its totient is φ = 25636968960.

The previous prime is 54478559297. The next prime is 54478559321. The reversal of 54478559312 is 21395587445.

It can be written as a sum of positive squares in 2 ways, for example, as 42207237136 + 12271322176 = 205444^2 + 110776^2 .

It is a super-2 number, since 2×54478559312² (a number of 22 digits) contains 22 as substring.

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, 100144139 + ... + 100144682.

Almost surely, 2^54478559312 is an apocalyptic number.

It is an amenable number.

54478559312 is an abundant number, since it is smaller than the sum of its proper divisors (57282603364).

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

54478559312 is a wasteful number, since it uses less digits than its factorization.

54478559312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200288846 (or 200288840 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 53.

The spelling of 54478559312 in words is "fifty-four billion, four hundred seventy-eight million, five hundred fifty-nine thousand, three hundred twelve".