54639450654 has 8 divisors (see below), whose sum is σ = 109278901320. Its totient is φ = 18213150216.

The previous prime is 54639450637. The next prime is 54639450709. The reversal of 54639450654 is 45605493645.

It is a sphenic number, since it is the product of 3 distinct primes.

54639450654 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 54639450597 and 54639450606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4553287549 + ... + 4553287560.

It is an arithmetic number, because the mean of its divisors is an integer number (13659862665).

Almost surely, 2^54639450654 is an apocalyptic number.

54639450654 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

54639450654 is a wasteful number, since it uses less digits than its factorization.

54639450654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9106575114.

The product of its (nonzero) digits is 7776000, while the sum is 51.

The spelling of 54639450654 in words is "fifty-four billion, six hundred thirty-nine million, four hundred fifty thousand, six hundred fifty-four".