54987983671 has 8 divisors (see below), whose sum is σ = 55082286000. Its totient is φ = 54893750400.

The previous prime is 54987983647. The next prime is 54987983693. The reversal of 54987983671 is 17638978945.

54987983671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54987983671 - 2¹¹ = 54987981623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54987983597 and 54987983606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54987984671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1724271 + ... + 1755871.

It is an arithmetic number, because the mean of its divisors is an integer number (6885285750).

Almost surely, 2^54987983671 is an apocalyptic number.

54987983671 is a deficient number, since it is larger than the sum of its proper divisors (94302329).

54987983671 is a wasteful number, since it uses less digits than its factorization.

54987983671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34529.

The product of its digits is 91445760, while the sum is 67.

The spelling of 54987983671 in words is "fifty-four billion, nine hundred eighty-seven million, nine hundred eighty-three thousand, six hundred seventy-one".