54671732478 has 24 divisors (see below), whose sum is σ = 129224095416. Its totient is φ = 16567191600.

The previous prime is 54671732473. The next prime is 54671732491. The reversal of 54671732478 is 87423717645.

54671732478 is a `hidden beast` number, since 5 + 467 + 173 + 2 + 4 + 7 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54671732473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138059733 + ... + 138060128.

It is an arithmetic number, because the mean of its divisors is an integer number (5384337309).

Almost surely, 2^54671732478 is an apocalyptic number.

54671732478 is an abundant number, since it is smaller than the sum of its proper divisors (74552362938).

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

54671732478 is a wasteful number, since it uses less digits than its factorization.

54671732478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276119880 (or 276119877 counting only the distinct ones).

The product of its digits is 7902720, while the sum is 54.

The spelling of 54671732478 in words is "fifty-four billion, six hundred seventy-one million, seven hundred thirty-two thousand, four hundred seventy-eight".