54663236645 has 16 divisors (see below), whose sum is σ = 69064107840. Its totient is φ = 41419494144.

The previous prime is 54663236609. The next prime is 54663236647.

54663236645 is nontrivially palindromic in base 10.

54663236645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54663236645 - 2⁶ = 54663236581 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54663236593 and 54663236602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54663236647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366077 + ... + 493293.

It is an arithmetic number, because the mean of its divisors is an integer number (4316506740).

Almost surely, 2^54663236645 is an apocalyptic number.

It is an amenable number.

54663236645 is a deficient number, since it is larger than the sum of its proper divisors (14400871195).

54663236645 is a wasteful number, since it uses less digits than its factorization.

54663236645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131764.

The product of its digits is 9331200, while the sum is 50.

The spelling of 54663236645 in words is "fifty-four billion, six hundred sixty-three million, two hundred thirty-six thousand, six hundred forty-five".