54648376561 has 4 divisors (see below), whose sum is σ = 54698467824. Its totient is φ = 54598285300.

The previous prime is 54648376543. The next prime is 54648376583. The reversal of 54648376561 is 16567384645.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54648376561 - 2⁹ = 54648376049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54648376361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25043995 + ... + 25046176.

It is an arithmetic number, because the mean of its divisors is an integer number (13674616956).

Almost surely, 2^54648376561 is an apocalyptic number.

It is an amenable number.

54648376561 is a deficient number, since it is larger than the sum of its proper divisors (50091263).

54648376561 is a wasteful number, since it uses less digits than its factorization.

54648376561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50091262.

The product of its digits is 14515200, while the sum is 55.

The spelling of 54648376561 in words is "fifty-four billion, six hundred forty-eight million, three hundred seventy-six thousand, five hundred sixty-one".