54471964815 has 24 divisors (see below), whose sum is σ = 94425561360. Its totient is φ = 29049410304.

The previous prime is 54471964763. The next prime is 54471964849. The reversal of 54471964815 is 51846917445.

54471964815 is a `hidden beast` number, since 5 + 4 + 4 + 71 + 96 + 481 + 5 = 666.

54471964815 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54471964815 - 2⁹ = 54471964303 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 631264 + ... + 712346.

It is an arithmetic number, because the mean of its divisors is an integer number (3934398390).

Almost surely, 2^54471964815 is an apocalyptic number.

54471964815 is a deficient number, since it is larger than the sum of its proper divisors (39953596545).

54471964815 is a wasteful number, since it uses less digits than its factorization.

54471964815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96023 (or 96020 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The spelling of 54471964815 in words is "fifty-four billion, four hundred seventy-one million, nine hundred sixty-four thousand, eight hundred fifteen".