54481589739 has 14 divisors (see below), whose sum is σ = 81685018356. Its totient is φ = 36321059340.

The previous prime is 54481589707. The next prime is 54481589801. The reversal of 54481589739 is 93798518445.

54481589739 is a `hidden beast` number, since 5 + 4 + 48 + 1 + 589 + 7 + 3 + 9 = 666.

It is not a de Polignac number, because 54481589739 - 2⁵ = 54481589707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54481584739) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 37366617 + ... + 37368074.

Almost surely, 2^54481589739 is an apocalyptic number.

54481589739 is a deficient number, since it is larger than the sum of its proper divisors (27203428617).

54481589739 is an frugal number, since it uses more digits than its factorization.

54481589739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74734709 (or 74734694 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 63.

The spelling of 54481589739 in words is "fifty-four billion, four hundred eighty-one million, five hundred eighty-nine thousand, seven hundred thirty-nine".