54813351494489 has 16 divisors (see below), whose sum is σ = 64103751296640. Its totient is φ = 45888037211520.

The previous prime is 54813351494479. The next prime is 54813351494543. The reversal of 54813351494489 is 98449415331845.

It is a de Polignac number, because none of the positive numbers 2^k-54813351494489 is a prime.

It is a super-2 number, since 2×54813351494489² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54813351494479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1887899 + ... + 10639119.

It is an arithmetic number, because the mean of its divisors is an integer number (4006484456040).

Almost surely, 2^{54813351494489} is an apocalyptic number.

It is an amenable number.

54813351494489 is a deficient number, since it is larger than the sum of its proper divisors (9290399802151).

54813351494489 is a wasteful number, since it uses less digits than its factorization.

54813351494489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8772080.

The product of its digits is 298598400, while the sum is 68.

The spelling of 54813351494489 in words is "fifty-four trillion, eight hundred thirteen billion, three hundred fifty-one million, four hundred ninety-four thousand, four hundred eighty-nine".