54563236545 has 16 divisors (see below), whose sum is σ = 87405252480. Its totient is φ = 29065701504.

The previous prime is 54563236451. The next prime is 54563236547.

It is a happy number.

54563236545 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54563236545 - 2⁹ = 54563236033 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 54563236494 and 54563236503.

It is not an unprimeable number, because it can be changed into a prime (54563236547) 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 15 ways as a sum of consecutive naturals, for example, 2155204 + ... + 2180373.

It is an arithmetic number, because the mean of its divisors is an integer number (5462828280).

Almost surely, 2^54563236545 is an apocalyptic number.

It is an amenable number.

54563236545 is a deficient number, since it is larger than the sum of its proper divisors (32842015935).

54563236545 is a wasteful number, since it uses less digits than its factorization.

54563236545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4336424.

The product of its digits is 6480000, while the sum is 48.

The spelling of 54563236545 in words is "fifty-four billion, five hundred sixty-three million, two hundred thirty-six thousand, five hundred forty-five".