54383778843 has 4 divisors (see below), whose sum is σ = 72511705128. Its totient is φ = 36255852560.

The previous prime is 54383778781. The next prime is 54383778847. The reversal of 54383778843 is 34887738345.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54383778843 - 2⁸ = 54383778587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54383778847) 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 3 ways as a sum of consecutive naturals, for example, 9063963138 + ... + 9063963143.

It is an arithmetic number, because the mean of its divisors is an integer number (18127926282).

Almost surely, 2^54383778843 is an apocalyptic number.

54383778843 is a deficient number, since it is larger than the sum of its proper divisors (18127926285).

54383778843 is a wasteful number, since it uses less digits than its factorization.

54383778843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18127926284.

The product of its digits is 54190080, while the sum is 60.

The spelling of 54383778843 in words is "fifty-four billion, three hundred eighty-three million, seven hundred seventy-eight thousand, eight hundred forty-three".