54648688684644 has 36 divisors (see below), whose sum is σ = 145410253519440. Its totient is φ = 17257480637040.

The previous prime is 54648688684643. The next prime is 54648688684747. The reversal of 54648688684644 is 44648688684645.

54648688684644 is a `hidden beast` number, since 54 + 6 + 48 + 6 + 8 + 8 + 68 + 464 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×54648688684644² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54648688684643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39947871162 + ... + 39947872529.

Almost surely, 2^{54648688684644} is an apocalyptic number.

It is an amenable number.

54648688684644 is an abundant number, since it is smaller than the sum of its proper divisors (90761564834796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54648688684644 is a wasteful number, since it uses less digits than its factorization.

54648688684644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79895743720 (or 79895743715 counting only the distinct ones).

The product of its digits is 27179089920, while the sum is 81.

Subtracting from 54648688684644 its reverse (44648688684645), we obtain a palindrome (9999999999999).

The spelling of 54648688684644 in words is "fifty-four trillion, six hundred forty-eight billion, six hundred eighty-eight million, six hundred eighty-four thousand, six hundred forty-four".