54821111846 has 16 divisors (see below), whose sum is σ = 86482612224. Its totient is φ = 26012342664.

The previous prime is 54821111831. The next prime is 54821111857. The reversal of 54821111846 is 64811112845.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4686140 + ... + 4697823.

It is an arithmetic number, because the mean of its divisors is an integer number (5405163264).

Almost surely, 2^54821111846 is an apocalyptic number.

54821111846 is a deficient number, since it is larger than the sum of its proper divisors (31661500378).

54821111846 is a wasteful number, since it uses less digits than its factorization.

54821111846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9384115.

The product of its digits is 61440, while the sum is 41.

Subtracting 54821111846 from its reverse (64811112845), we obtain a palindrome (9990000999).

The spelling of 54821111846 in words is "fifty-four billion, eight hundred twenty-one million, one hundred eleven thousand, eight hundred forty-six".