54140568941543 has 16 divisors (see below), whose sum is σ = 62082031011840. Its totient is φ = 46250925604416.

The previous prime is 54140568941533. The next prime is 54140568941561. The reversal of 54140568941543 is 34514986504145.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 54140568941543 - 2²² = 54140564747239 is a prime.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54140568941533) 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, 12605918 + ... + 16345956.

It is an arithmetic number, because the mean of its divisors is an integer number (3880126938240).

Almost surely, 2^{54140568941543} is an apocalyptic number.

54140568941543 is a deficient number, since it is larger than the sum of its proper divisors (7941462070297).

54140568941543 is a wasteful number, since it uses less digits than its factorization.

54140568941543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3746966.

The product of its (nonzero) digits is 41472000, while the sum is 59.

The spelling of 54140568941543 in words is "fifty-four trillion, one hundred forty billion, five hundred sixty-eight million, nine hundred forty-one thousand, five hundred forty-three".