54678422487646 has 16 divisors (see below), whose sum is σ = 82952220597120. Its totient is φ = 27027778884480.

The previous prime is 54678422487553. The next prime is 54678422487659. The reversal of 54678422487646 is 64678422487645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23013486 + ... + 25278001.

It is an arithmetic number, because the mean of its divisors is an integer number (5184513787320).

Almost surely, 2^{54678422487646} is an apocalyptic number.

54678422487646 is a deficient number, since it is larger than the sum of its proper divisors (28273798109474).

54678422487646 is a wasteful number, since it uses less digits than its factorization.

54678422487646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48297939.

The product of its digits is 3468165120, while the sum is 73.

Subtracting 54678422487646 from its reverse (64678422487645), we obtain a palindrome (9999999999999).

The spelling of 54678422487646 in words is "fifty-four trillion, six hundred seventy-eight billion, four hundred twenty-two million, four hundred eighty-seven thousand, six hundred forty-six".