54564116664543 has 16 divisors (see below), whose sum is σ = 73461968027136. Its totient is φ = 36021205009440.

The previous prime is 54564116664527. The next prime is 54564116664559. The reversal of 54564116664543 is 34546661146545.

It is an interprime number because it is at equal distance from previous prime (54564116664527) and next prime (54564116664559).

It is not a de Polignac number, because 54564116664543 - 2⁴ = 54564116664527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54564116664503) 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, 2364358 + ... + 10710668.

It is an arithmetic number, because the mean of its divisors is an integer number (4591373001696).

Almost surely, 2^{54564116664543} is an apocalyptic number.

54564116664543 is a deficient number, since it is larger than the sum of its proper divisors (18897851362593).

54564116664543 is a wasteful number, since it uses less digits than its factorization.

54564116664543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8367574.

The product of its digits is 124416000, while the sum is 60.

The spelling of 54564116664543 in words is "fifty-four trillion, five hundred sixty-four billion, one hundred sixteen million, six hundred sixty-four thousand, five hundred forty-three".