54594948649 has 4 divisors (see below), whose sum is σ = 54699737940. Its totient is φ = 54490159360.

The previous prime is 54594948641. The next prime is 54594948743. The reversal of 54594948649 is 94684949545.

54594948649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94684949545 = 5 ⋅18936989909.

It can be written as a sum of positive squares in 2 ways, for example, as 39653553424 + 14941395225 = 199132^2 + 122235^2 .

It is a cyclic number.

It is not a de Polignac number, because 54594948649 - 2³ = 54594948641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54594948641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52393864 + ... + 52394905.

It is an arithmetic number, because the mean of its divisors is an integer number (13674934485).

Almost surely, 2^54594948649 is an apocalyptic number.

It is an amenable number.

54594948649 is a deficient number, since it is larger than the sum of its proper divisors (104789291).

54594948649 is a wasteful number, since it uses less digits than its factorization.

54594948649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104789290.

The product of its digits is 223948800, while the sum is 67.

The spelling of 54594948649 in words is "fifty-four billion, five hundred ninety-four million, nine hundred forty-eight thousand, six hundred forty-nine".