54047219544 has 40 divisors (see below), whose sum is σ = 151382260260. Its totient is φ = 18015739632.

The previous prime is 54047219543. The next prime is 54047219581. The reversal of 54047219544 is 44591274045.

54047219544 is a `hidden beast` number, since 5 + 40 + 47 + 21 + 9 + 544 = 666.

It is a super-2 number, since 2×54047219544² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54047219544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54047219543) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 41702454 + ... + 41703749.

Almost surely, 2^54047219544 is an apocalyptic number.

54047219544 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

54047219544 is an abundant number, since it is smaller than the sum of its proper divisors (97335040716).

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

54047219544 is a wasteful number, since it uses less digits than its factorization.

54047219544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83406221 (or 83406208 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 54047219544 in words is "fifty-four billion, forty-seven million, two hundred nineteen thousand, five hundred forty-four".