54654081649 has 4 divisors (see below), whose sum is σ = 54659138560. Its totient is φ = 54649024740.

The previous prime is 54654081623. The next prime is 54654081661. The reversal of 54654081649 is 94618045645.

54654081649 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 a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94618045645 = 5 ⋅18923609129.

It is a cyclic number.

It is not a de Polignac number, because 54654081649 - 2⁹ = 54654081137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54654081596 and 54654081605.

It is not an unprimeable number, because it can be changed into a prime (54654081619) 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, 2512209 + ... + 2533870.

It is an arithmetic number, because the mean of its divisors is an integer number (13664784640).

Almost surely, 2^54654081649 is an apocalyptic number.

It is an amenable number.

54654081649 is a deficient number, since it is larger than the sum of its proper divisors (5056911).

54654081649 is a wasteful number, since it uses less digits than its factorization.

54654081649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5056910.

The product of its (nonzero) digits is 4147200, while the sum is 52.

The spelling of 54654081649 in words is "fifty-four billion, six hundred fifty-four million, eighty-one thousand, six hundred forty-nine".