54644645132487 has 24 divisors (see below), whose sum is σ = 79120422111744. Its totient is φ = 36342487629504.

The previous prime is 54644645132401. The next prime is 54644645132591. The reversal of 54644645132487 is 78423154644645.

It is a happy number.

54644645132487 is a `hidden beast` number, since 5 + 4 + 6 + 44 + 64 + 51 + 3 + 2 + 487 = 666.

It is not a de Polignac number, because 54644645132487 - 2⁷ = 54644645132359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54644645134487) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5059233 + ... + 11614005.

It is an arithmetic number, because the mean of its divisors is an integer number (3296684254656).

Almost surely, 2^{54644645132487} is an apocalyptic number.

54644645132487 is a deficient number, since it is larger than the sum of its proper divisors (24475776979257).

54644645132487 is a wasteful number, since it uses less digits than its factorization.

54644645132487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6556999 (or 6556996 counting only the distinct ones).

The product of its digits is 309657600, while the sum is 63.

The spelling of 54644645132487 in words is "fifty-four trillion, six hundred forty-four billion, six hundred forty-five million, one hundred thirty-two thousand, four hundred eighty-seven".