54678422487644 has 36 divisors (see below), whose sum is σ = 101293573458168. Its totient is φ = 25822056506400.

The previous prime is 54678422487553. The next prime is 54678422487659. The reversal of 54678422487644 is 44678422487645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56721347 + ... + 57677274.

It is an arithmetic number, because the mean of its divisors is an integer number (2813710373838).

Almost surely, 2^{54678422487644} is an apocalyptic number.

It is an amenable number.

54678422487644 is a deficient number, since it is larger than the sum of its proper divisors (46615150970524).

54678422487644 is a wasteful number, since it uses less digits than its factorization.

54678422487644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114398994 (or 114398973 counting only the distinct ones).

The product of its digits is 2312110080, while the sum is 71.

Subtracting from 54678422487644 its reverse (44678422487645), we obtain a palindrome (9999999999999).

The spelling of 54678422487644 in words is "fifty-four trillion, six hundred seventy-eight billion, four hundred twenty-two million, four hundred eighty-seven thousand, six hundred forty-four".