54840641776823 has 32 divisors (see below), whose sum is σ = 69132575070720. Its totient is φ = 42430574730240.

The previous prime is 54840641776769. The next prime is 54840641776831. The reversal of 54840641776823 is 32867714604845.

It is a cyclic number.

It is not a de Polignac number, because 54840641776823 - 2¹⁶ = 54840641711287 is a prime.

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 54840641776823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54840641772823) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94967561 + ... + 95543282.

It is an arithmetic number, because the mean of its divisors is an integer number (2160392970960).

Almost surely, 2^{54840641776823} is an apocalyptic number.

54840641776823 is a deficient number, since it is larger than the sum of its proper divisors (14291933293897).

54840641776823 is a wasteful number, since it uses less digits than its factorization.

54840641776823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190510967.

The product of its (nonzero) digits is 216760320, while the sum is 65.

The spelling of 54840641776823 in words is "fifty-four trillion, eight hundred forty billion, six hundred forty-one million, seven hundred seventy-six thousand, eight hundred twenty-three".